1225245

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{1667}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 2281824

約数和(自身を除く): 1056579

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 1667, 5001, 8335, 11669, 25005, 35007, 58345, 81683, 175035, 245049, 408415, 1225245]

約数ペア:

[(1, 1225245), (3, 408415), (5, 245049), (7, 175035), (15, 81683), (21, 58345), (35, 35007), (49, 25005), (105, 11669), (147, 8335), (245, 5001), (735, 1667)]