18263964159

素因数分解:

$3^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1\times {\mathrm{1231}}^1$

素因数の和:1578

約数の個数: 80

約数和(自身を含む): 31598493696

約数和(自身を除く): 13334529537

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 137, 189, 191, 411, 567, 573, 959, 1231, 1233, 1337, 1719, 2877, 3693, 3699, 4011, 5157, 8617, 8631, 11079, 11097, 12033, 15471, 25851, 25893, 26167, 33237, 36099, 77553, 77679, 78501, 99711, 108297, 168647, 183169, 232659, 235121, 235503, 505941, 549507, 697977, 705363, 706509, 1180529, 1517823, 1645847, 1648521, 2116089, 2119527, 3541587, 4553469, 4937541, 4945563, 6348267, 10624761, 13660407, 14812623, 14836689, 19044801, 31874283, 32211577, 44437869, 95622849, 96634731, 133313607, 225481039, 289904193, 676443117, 869712579, 2029329351, 2609137737, 6087988053, 18263964159]

約数ペア:

[(1, 18263964159), (3, 6087988053), (7, 2609137737), (9, 2029329351), (21, 869712579), (27, 676443117), (63, 289904193), (81, 225481039), (137, 133313607), (189, 96634731), (191, 95622849), (411, 44437869), (567, 32211577), (573, 31874283), (959, 19044801), (1231, 14836689), (1233, 14812623), (1337, 13660407), (1719, 10624761), (2877, 6348267), (3693, 4945563), (3699, 4937541), (4011, 4553469), (5157, 3541587), (8617, 2119527), (8631, 2116089), (11079, 1648521), (11097, 1645847), (12033, 1517823), (15471, 1180529), (25851, 706509), (25893, 705363), (26167, 697977), (33237, 549507), (36099, 505941), (77553, 235503), (77679, 235121), (78501, 232659), (99711, 183169), (108297, 168647)]