840702915

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{7853}}^1$

素因数の和:7941

約数の個数: 64

約数和(自身を含む): 1636145280

約数和(自身を除く): 795442365

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 61, 65, 117, 135, 183, 195, 305, 351, 549, 585, 793, 915, 1647, 1755, 2379, 2745, 3965, 7137, 7853, 8235, 11895, 21411, 23559, 35685, 39265, 70677, 102089, 107055, 117795, 212031, 306267, 353385, 479033, 510445, 918801, 1060155, 1437099, 1531335, 2395165, 2756403, 4311297, 4594005, 6227429, 7185495, 12933891, 13782015, 18682287, 21556485, 31137145, 56046861, 64669455, 93411435, 168140583, 280234305, 840702915]

約数ペア:

[(1, 840702915), (3, 280234305), (5, 168140583), (9, 93411435), (13, 64669455), (15, 56046861), (27, 31137145), (39, 21556485), (45, 18682287), (61, 13782015), (65, 12933891), (117, 7185495), (135, 6227429), (183, 4594005), (195, 4311297), (305, 2756403), (351, 2395165), (549, 1531335), (585, 1437099), (793, 1060155), (915, 918801), (1647, 510445), (1755, 479033), (2379, 353385), (2745, 306267), (3965, 212031), (7137, 117795), (7853, 107055), (8235, 102089), (11895, 70677), (21411, 39265), (23559, 35685)]