72418563

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{3581}}^1$

素因数の和:3704

約数の個数: 32

約数和(自身を含む): 123793920

約数和(自身を除く): 51375357

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 2247, 2889, 3581, 6741, 10743, 20223, 25067, 32229, 75201, 96687, 225603, 383167, 676809, 1149501, 2682169, 3448503, 8046507, 10345509, 24139521, 72418563]

約数ペア:

[(1, 72418563), (3, 24139521), (7, 10345509), (9, 8046507), (21, 3448503), (27, 2682169), (63, 1149501), (107, 676809), (189, 383167), (321, 225603), (749, 96687), (963, 75201), (2247, 32229), (2889, 25067), (3581, 20223), (6741, 10743)]