1813647537

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1\times {\mathrm{389}}^1$

素因数の和:807

約数の個数: 64

約数和(自身を含む): 2987712000

約数和(自身を除く): 1174064463

約数列:

[1, 3, 9, 13, 27, 37, 39, 111, 117, 333, 351, 359, 389, 481, 999, 1077, 1167, 1443, 3231, 3501, 4329, 4667, 5057, 9693, 10503, 12987, 13283, 14001, 14393, 15171, 39849, 42003, 43179, 45513, 119547, 126009, 129537, 136539, 139651, 172679, 187109, 358641, 388611, 418953, 518037, 561327, 1256859, 1554111, 1683981, 1815463, 3770577, 4662333, 5051943, 5167087, 5446389, 15501261, 16339167, 46503783, 49017501, 67172131, 139511349, 201516393, 604549179, 1813647537]

約数ペア:

[(1, 1813647537), (3, 604549179), (9, 201516393), (13, 139511349), (27, 67172131), (37, 49017501), (39, 46503783), (111, 16339167), (117, 15501261), (333, 5446389), (351, 5167087), (359, 5051943), (389, 4662333), (481, 3770577), (999, 1815463), (1077, 1683981), (1167, 1554111), (1443, 1256859), (3231, 561327), (3501, 518037), (4329, 418953), (4667, 388611), (5057, 358641), (9693, 187109), (10503, 172679), (12987, 139651), (13283, 136539), (14001, 129537), (14393, 126009), (15171, 119547), (39849, 45513), (42003, 43179)]