8781275997

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{167}}^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:571

約数の個数: 72

約数和(自身を含む): 13966138368

約数和(自身を除く): 5184862371

約数列:

[1, 3, 9, 13, 39, 117, 167, 169, 181, 191, 501, 507, 543, 573, 1503, 1521, 1629, 1719, 2171, 2353, 2483, 6513, 7059, 7449, 19539, 21177, 22347, 28223, 30227, 30589, 31897, 32279, 34571, 84669, 90681, 91767, 95691, 96837, 103713, 254007, 272043, 275301, 287073, 290511, 311139, 392951, 414661, 449423, 1178853, 1243983, 1348269, 3536559, 3731949, 4044807, 5108363, 5390593, 5773357, 5842499, 15325089, 16171779, 17320071, 17527497, 45975267, 48515337, 51960213, 52582491, 75053641, 225160923, 675482769, 975697333, 2927091999, 8781275997]

約数ペア:

[(1, 8781275997), (3, 2927091999), (9, 975697333), (13, 675482769), (39, 225160923), (117, 75053641), (167, 52582491), (169, 51960213), (181, 48515337), (191, 45975267), (501, 17527497), (507, 17320071), (543, 16171779), (573, 15325089), (1503, 5842499), (1521, 5773357), (1629, 5390593), (1719, 5108363), (2171, 4044807), (2353, 3731949), (2483, 3536559), (6513, 1348269), (7059, 1243983), (7449, 1178853), (19539, 449423), (21177, 414661), (22347, 392951), (28223, 311139), (30227, 290511), (30589, 287073), (31897, 275301), (32279, 272043), (34571, 254007), (84669, 103713), (90681, 96837), (91767, 95691)]