81180918

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1709}}^1$

素因数の和:1766

約数の個数: 96

約数和(自身を含む): 224078400

約数和(自身を除く): 142897482

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 29, 39, 42, 58, 63, 78, 87, 91, 117, 126, 174, 182, 203, 234, 261, 273, 377, 406, 522, 546, 609, 754, 819, 1131, 1218, 1638, 1709, 1827, 2262, 2639, 3393, 3418, 3654, 5127, 5278, 6786, 7917, 10254, 11963, 15381, 15834, 22217, 23751, 23926, 30762, 35889, 44434, 47502, 49561, 66651, 71778, 99122, 107667, 133302, 148683, 155519, 199953, 215334, 297366, 311038, 346927, 399906, 446049, 466557, 644293, 693854, 892098, 933114, 1040781, 1288586, 1399671, 1932879, 2081562, 2799342, 3122343, 3865758, 4510051, 5798637, 6244686, 9020102, 11597274, 13530153, 27060306, 40590459, 81180918]

約数ペア:

[(1, 81180918), (2, 40590459), (3, 27060306), (6, 13530153), (7, 11597274), (9, 9020102), (13, 6244686), (14, 5798637), (18, 4510051), (21, 3865758), (26, 3122343), (29, 2799342), (39, 2081562), (42, 1932879), (58, 1399671), (63, 1288586), (78, 1040781), (87, 933114), (91, 892098), (117, 693854), (126, 644293), (174, 466557), (182, 446049), (203, 399906), (234, 346927), (261, 311038), (273, 297366), (377, 215334), (406, 199953), (522, 155519), (546, 148683), (609, 133302), (754, 107667), (819, 99122), (1131, 71778), (1218, 66651), (1638, 49561), (1709, 47502), (1827, 44434), (2262, 35889), (2639, 30762), (3393, 23926), (3418, 23751), (3654, 22217), (5127, 15834), (5278, 15381), (6786, 11963), (7917, 10254)]