31786521

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 47453952

約数和(自身を除く): 15667431

約数列:

[1, 3, 13, 39, 41, 103, 123, 193, 309, 533, 579, 1339, 1599, 2509, 4017, 4223, 7527, 7913, 12669, 19879, 23739, 54899, 59637, 102869, 164697, 258427, 308607, 775281, 815039, 2445117, 10595507, 31786521]

約数ペア:

[(1, 31786521), (3, 10595507), (13, 2445117), (39, 815039), (41, 775281), (103, 308607), (123, 258427), (193, 164697), (309, 102869), (533, 59637), (579, 54899), (1339, 23739), (1599, 19879), (2509, 12669), (4017, 7913), (4223, 7527)]