77886081

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1559}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 140824320

約数和(自身を除く): 62938239

約数列:

[1, 3, 7, 9, 13, 21, 39, 61, 63, 91, 117, 183, 273, 427, 549, 793, 819, 1281, 1559, 2379, 3843, 4677, 5551, 7137, 10913, 14031, 16653, 20267, 32739, 49959, 60801, 95099, 98217, 141869, 182403, 285297, 425607, 665693, 855891, 1236287, 1276821, 1997079, 3708861, 5991237, 8654009, 11126583, 25962027, 77886081]

約数ペア:

[(1, 77886081), (3, 25962027), (7, 11126583), (9, 8654009), (13, 5991237), (21, 3708861), (39, 1997079), (61, 1276821), (63, 1236287), (91, 855891), (117, 665693), (183, 425607), (273, 285297), (427, 182403), (549, 141869), (793, 98217), (819, 95099), (1281, 60801), (1559, 49959), (2379, 32739), (3843, 20267), (4677, 16653), (5551, 14031), (7137, 10913)]