1890495

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1031

約数の個数: 24

約数和(自身を含む): 3356496

約数和(自身を除く): 1466001

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 977, 1935, 2931, 4885, 8793, 14655, 42011, 43965, 126033, 210055, 378099, 630165, 1890495]

約数ペア:

[(1, 1890495), (3, 630165), (5, 378099), (9, 210055), (15, 126033), (43, 43965), (45, 42011), (129, 14655), (215, 8793), (387, 4885), (645, 2931), (977, 1935)]