1721295

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1319}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 3088800

約数和(自身を除く): 1367505

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 1319, 3957, 6595, 11871, 19785, 38251, 59355, 114753, 191255, 344259, 573765, 1721295]

約数ペア:

[(1, 1721295), (3, 573765), (5, 344259), (9, 191255), (15, 114753), (29, 59355), (45, 38251), (87, 19785), (145, 11871), (261, 6595), (435, 3957), (1305, 1319)]