201904479

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{74531}}^1$

素因数の和:74587

約数の個数: 24

約数和(自身を含む): 341058432

約数和(自身を除く): 139153953

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 74531, 223593, 521717, 670779, 1565151, 3204833, 4695453, 9614499, 22433831, 28843497, 67301493, 201904479]

約数ペア:

[(1, 201904479), (3, 67301493), (7, 28843497), (9, 22433831), (21, 9614499), (43, 4695453), (63, 3204833), (129, 1565151), (301, 670779), (387, 521717), (903, 223593), (2709, 74531)]