420120375

素因数分解:

$3^1\times 5^3\times {\mathrm{1120321}}^1$

素因数の和:1120339

約数の個数: 16

約数和(自身を含む): 699080928

約数和(自身を除く): 278960553

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 1120321, 3360963, 5601605, 16804815, 28008025, 84024075, 140040125, 420120375]

約数ペア:

[(1, 420120375), (3, 140040125), (5, 84024075), (15, 28008025), (25, 16804815), (75, 5601605), (125, 3360963), (375, 1120321)]