201771609

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1523}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 300410880

約数和(自身を除く): 98639271

約数列:

[1, 3, 13, 39, 43, 79, 129, 237, 559, 1027, 1523, 1677, 3081, 3397, 4569, 10191, 19799, 44161, 59397, 65489, 120317, 132483, 196467, 360951, 851357, 1564121, 2554071, 4692363, 5173631, 15520893, 67257203, 201771609]

約数ペア:

[(1, 201771609), (3, 67257203), (13, 15520893), (39, 5173631), (43, 4692363), (79, 2554071), (129, 1564121), (237, 851357), (559, 360951), (1027, 196467), (1523, 132483), (1677, 120317), (3081, 65489), (3397, 59397), (4569, 44161), (10191, 19799)]