149861375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 200154240

約数和(自身を除く): 50292865

約数列:

[1, 5, 17, 25, 85, 109, 125, 425, 545, 647, 1853, 2125, 2725, 3235, 9265, 10999, 13625, 16175, 46325, 54995, 70523, 80875, 231625, 274975, 352615, 1198891, 1374875, 1763075, 5994455, 8815375, 29972275, 149861375]

約数ペア:

[(1, 149861375), (5, 29972275), (17, 8815375), (25, 5994455), (85, 1763075), (109, 1374875), (125, 1198891), (425, 352615), (545, 274975), (647, 231625), (1853, 80875), (2125, 70523), (2725, 54995), (3235, 46325), (9265, 16175), (10999, 13625)]