2813490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 7495488

約数和(自身を除く): 4681998

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 727, 774, 1290, 1454, 1935, 2181, 3635, 3870, 4362, 6543, 7270, 10905, 13086, 21810, 31261, 32715, 62522, 65430, 93783, 156305, 187566, 281349, 312610, 468915, 562698, 937830, 1406745, 2813490]

約数ペア:

[(1, 2813490), (2, 1406745), (3, 937830), (5, 562698), (6, 468915), (9, 312610), (10, 281349), (15, 187566), (18, 156305), (30, 93783), (43, 65430), (45, 62522), (86, 32715), (90, 31261), (129, 21810), (215, 13086), (258, 10905), (387, 7270), (430, 6543), (645, 4362), (727, 3870), (774, 3635), (1290, 2181), (1454, 1935)]