420121275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{800231}}^1$

素因数の和:800251

約数の個数: 24

約数和(自身を含む): 793830144

約数和(自身を除く): 373708869

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 525, 800231, 2400693, 4001155, 5601617, 12003465, 16804851, 20005775, 28008085, 60017325, 84024255, 140040425, 420121275]

約数ペア:

[(1, 420121275), (3, 140040425), (5, 84024255), (7, 60017325), (15, 28008085), (21, 20005775), (25, 16804851), (35, 12003465), (75, 5601617), (105, 4001155), (175, 2400693), (525, 800231)]