438430725

素因数分解:

$3^4\times 5^2\times {\mathrm{216509}}^1$

素因数の和:216531

約数の個数: 30

約数和(自身を含む): 812129010

約数和(自身を除く): 373698285

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 216509, 649527, 1082545, 1948581, 3247635, 5412725, 5845743, 9742905, 16238175, 17537229, 29228715, 48714525, 87686145, 146143575, 438430725]

約数ペア:

[(1, 438430725), (3, 146143575), (5, 87686145), (9, 48714525), (15, 29228715), (25, 17537229), (27, 16238175), (45, 9742905), (75, 5845743), (81, 5412725), (135, 3247635), (225, 1948581), (405, 1082545), (675, 649527), (2025, 216509)]