1020225

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 1722112

約数和(自身を除く): 701887

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 223, 305, 669, 915, 1115, 1525, 3345, 4575, 5575, 13603, 16725, 40809, 68015, 204045, 340075, 1020225]

約数ペア:

[(1, 1020225), (3, 340075), (5, 204045), (15, 68015), (25, 40809), (61, 16725), (75, 13603), (183, 5575), (223, 4575), (305, 3345), (669, 1525), (915, 1115)]