420675

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:163

約数の個数: 24

約数和(自身を含む): 714240

約数和(自身を除く): 293565

約数列:

[1, 3, 5, 15, 25, 71, 75, 79, 213, 237, 355, 395, 1065, 1185, 1775, 1975, 5325, 5609, 5925, 16827, 28045, 84135, 140225, 420675]

約数ペア:

[(1, 420675), (3, 140225), (5, 84135), (15, 28045), (25, 16827), (71, 5925), (75, 5609), (79, 5325), (213, 1975), (237, 1775), (355, 1185), (395, 1065)]