30991143

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{4447}}^1$

素因数の和:4574

約数の個数: 16

約数和(自身を含む): 43554816

約数和(自身を除く): 12563673

約数列:

[1, 3, 23, 69, 101, 303, 2323, 4447, 6969, 13341, 102281, 306843, 449147, 1347441, 10330381, 30991143]

約数ペア:

[(1, 30991143), (3, 10330381), (23, 1347441), (69, 449147), (101, 306843), (303, 102281), (2323, 13341), (4447, 6969)]