18877688415

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:710

約数の個数: 128

約数和(自身を含む): 35469066240

約数和(自身を除く): 16591377825

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 47, 111, 135, 141, 185, 191, 235, 333, 421, 423, 555, 573, 705, 955, 999, 1263, 1269, 1665, 1719, 1739, 2105, 2115, 2865, 3789, 4995, 5157, 5217, 6315, 6345, 7067, 8595, 8695, 8977, 11367, 15577, 15651, 18945, 19787, 21201, 25785, 26085, 26931, 35335, 44885, 46731, 46953, 56835, 59361, 63603, 77885, 78255, 80411, 80793, 98935, 106005, 134655, 140193, 178083, 190809, 233655, 234765, 241233, 242379, 296805, 318015, 332149, 402055, 403965, 420579, 534249, 700965, 723699, 732119, 890415, 954045, 996447, 1206165, 1211895, 1660745, 2102895, 2171097, 2196357, 2671245, 2975207, 2989341, 3618495, 3660595, 3779317, 4982235, 6589071, 8925621, 8968023, 10855485, 10981785, 11337951, 14876035, 14946705, 18896585, 19767213, 26776863, 32945355, 34013853, 44628105, 44840115, 56689755, 80330589, 98836065, 102041559, 133884315, 139834729, 170069265, 401652945, 419504187, 510207795, 699173645, 1258512561, 2097520935, 3775537683, 6292562805, 18877688415]

約数ペア:

[(1, 18877688415), (3, 6292562805), (5, 3775537683), (9, 2097520935), (15, 1258512561), (27, 699173645), (37, 510207795), (45, 419504187), (47, 401652945), (111, 170069265), (135, 139834729), (141, 133884315), (185, 102041559), (191, 98836065), (235, 80330589), (333, 56689755), (421, 44840115), (423, 44628105), (555, 34013853), (573, 32945355), (705, 26776863), (955, 19767213), (999, 18896585), (1263, 14946705), (1269, 14876035), (1665, 11337951), (1719, 10981785), (1739, 10855485), (2105, 8968023), (2115, 8925621), (2865, 6589071), (3789, 4982235), (4995, 3779317), (5157, 3660595), (5217, 3618495), (6315, 2989341), (6345, 2975207), (7067, 2671245), (8595, 2196357), (8695, 2171097), (8977, 2102895), (11367, 1660745), (15577, 1211895), (15651, 1206165), (18945, 996447), (19787, 954045), (21201, 890415), (25785, 732119), (26085, 723699), (26931, 700965), (35335, 534249), (44885, 420579), (46731, 403965), (46953, 402055), (56835, 332149), (59361, 318015), (63603, 296805), (77885, 242379), (78255, 241233), (80411, 234765), (80793, 233655), (98935, 190809), (106005, 178083), (134655, 140193)]