664890723

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{620813}}^1$

素因数の和:620843

約数の個数: 24

約数和(自身を含む): 1162163808

約数和(自身を除く): 497273085

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 620813, 1862439, 4345691, 5587317, 10553821, 13037073, 31661463, 39111219, 73876747, 94984389, 221630241, 664890723]

約数ペア:

[(1, 664890723), (3, 221630241), (7, 94984389), (9, 73876747), (17, 39111219), (21, 31661463), (51, 13037073), (63, 10553821), (119, 5587317), (153, 4345691), (357, 1862439), (1071, 620813)]