20151703

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:615

約数の個数: 24

約数和(自身を含む): 24935904

約数和(自身を除く): 4784201

約数列:

[1, 11, 13, 23, 121, 143, 253, 299, 557, 1573, 2783, 3289, 6127, 7241, 12811, 36179, 67397, 79651, 140921, 166543, 876161, 1550131, 1831973, 20151703]

約数ペア:

[(1, 20151703), (11, 1831973), (13, 1550131), (23, 876161), (121, 166543), (143, 140921), (253, 79651), (299, 67397), (557, 36179), (1573, 12811), (2783, 7241), (3289, 6127)]