30931341

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{20177}}^1$

素因数の和:20260

約数の個数: 16

約数和(自身を含む): 47781504

約数和(自身を除く): 16850163

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 20177, 60531, 141239, 423717, 1472921, 4418763, 10310447, 30931341]

約数ペア:

[(1, 30931341), (3, 10310447), (7, 4418763), (21, 1472921), (73, 423717), (219, 141239), (511, 60531), (1533, 20177)]