1561018035

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1\times {\mathrm{3329}}^1$

素因数の和:4107

約数の個数: 32

約数和(自身を含む): 2559997440

約数和(自身を除く): 998979405

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 727, 2181, 3329, 3635, 9987, 10905, 16645, 31261, 49935, 93783, 143147, 156305, 429441, 468915, 715735, 2147205, 2420183, 7260549, 12100915, 36302745, 104067869, 312203607, 520339345, 1561018035]

約数ペア:

[(1, 1561018035), (3, 520339345), (5, 312203607), (15, 104067869), (43, 36302745), (129, 12100915), (215, 7260549), (645, 2420183), (727, 2147205), (2181, 715735), (3329, 468915), (3635, 429441), (9987, 156305), (10905, 143147), (16645, 93783), (31261, 49935)]