1321275

素因数分解:

$3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 2222080

約数和(自身を除く): 900805

約数列:

[1, 3, 5, 15, 25, 75, 79, 223, 237, 395, 669, 1115, 1185, 1975, 3345, 5575, 5925, 16725, 17617, 52851, 88085, 264255, 440425, 1321275]

約数ペア:

[(1, 1321275), (3, 440425), (5, 264255), (15, 88085), (25, 52851), (75, 17617), (79, 16725), (223, 5925), (237, 5575), (395, 3345), (669, 1975), (1115, 1185)]