388996965

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{411637}}^1$

素因数の和:411658

約数の個数: 32

約数和(自身を含む): 790344960

約数和(自身を除く): 401347995

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 411637, 1234911, 2058185, 2881459, 3704733, 6174555, 8644377, 11114199, 14407295, 18523665, 25933131, 43221885, 55570995, 77799393, 129665655, 388996965]

約数ペア:

[(1, 388996965), (3, 129665655), (5, 77799393), (7, 55570995), (9, 43221885), (15, 25933131), (21, 18523665), (27, 14407295), (35, 11114199), (45, 8644377), (63, 6174555), (105, 3704733), (135, 2881459), (189, 2058185), (315, 1234911), (945, 411637)]