2156445

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 3773016

約数和(自身を除く): 1616571

約数列:

[1, 3, 5, 9, 15, 45, 173, 277, 519, 831, 865, 1385, 1557, 2493, 2595, 4155, 7785, 12465, 47921, 143763, 239605, 431289, 718815, 2156445]

約数ペア:

[(1, 2156445), (3, 718815), (5, 431289), (9, 239605), (15, 143763), (45, 47921), (173, 12465), (277, 7785), (519, 4155), (831, 2595), (865, 2493), (1385, 1557)]