245625

素因数分解:

$3^1\times 5^4\times {\mathrm{131}}^1$

素因数の和:154

約数の個数: 20

約数和(自身を含む): 412368

約数和(自身を除く): 166743

約数列:

[1, 3, 5, 15, 25, 75, 125, 131, 375, 393, 625, 655, 1875, 1965, 3275, 9825, 16375, 49125, 81875, 245625]

約数ペア:

[(1, 245625), (3, 81875), (5, 49125), (15, 16375), (25, 9825), (75, 3275), (125, 1965), (131, 1875), (375, 655), (393, 625)]