20171438991

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1\times {\mathrm{523}}^1$

素因数の和:903

約数の個数: 96

約数和(自身を含む): 33838092288

約数和(自身を除く): 13666653297

約数列:

[1, 3, 9, 11, 27, 33, 47, 81, 99, 141, 243, 297, 307, 423, 517, 523, 891, 921, 1269, 1551, 1569, 2673, 2763, 3377, 3807, 4653, 4707, 5753, 8289, 10131, 11421, 13959, 14121, 14429, 17259, 24581, 24867, 30393, 41877, 42363, 43287, 51777, 73743, 74601, 91179, 125631, 127089, 129861, 155331, 158719, 160561, 221229, 270391, 273537, 389583, 465993, 476157, 481683, 663687, 811173, 820611, 1168749, 1397979, 1428471, 1445049, 1766171, 1991061, 2433519, 3506247, 4285413, 4335147, 5298513, 5973183, 7300557, 7546367, 12856239, 13005441, 15895539, 21901671, 22639101, 38568717, 39016323, 47686617, 65705013, 67917303, 83010037, 143059851, 203751909, 249030111, 429179553, 611255727, 747090333, 1833767181, 2241270999, 6723812997, 20171438991]

約数ペア:

[(1, 20171438991), (3, 6723812997), (9, 2241270999), (11, 1833767181), (27, 747090333), (33, 611255727), (47, 429179553), (81, 249030111), (99, 203751909), (141, 143059851), (243, 83010037), (297, 67917303), (307, 65705013), (423, 47686617), (517, 39016323), (523, 38568717), (891, 22639101), (921, 21901671), (1269, 15895539), (1551, 13005441), (1569, 12856239), (2673, 7546367), (2763, 7300557), (3377, 5973183), (3807, 5298513), (4653, 4335147), (4707, 4285413), (5753, 3506247), (8289, 2433519), (10131, 1991061), (11421, 1766171), (13959, 1445049), (14121, 1428471), (14429, 1397979), (17259, 1168749), (24581, 820611), (24867, 811173), (30393, 663687), (41877, 481683), (42363, 476157), (43287, 465993), (51777, 389583), (73743, 273537), (74601, 270391), (91179, 221229), (125631, 160561), (127089, 158719), (129861, 155331)]