671445

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:401

約数の個数: 24

約数和(自身を含む): 1194336

約数和(自身を除く): 522891

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 347, 387, 645, 1041, 1735, 1935, 3123, 5205, 14921, 15615, 44763, 74605, 134289, 223815, 671445]

約数ペア:

[(1, 671445), (3, 223815), (5, 134289), (9, 74605), (15, 44763), (43, 15615), (45, 14921), (129, 5205), (215, 3123), (347, 1935), (387, 1735), (645, 1041)]