31869513

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{911}}^1$

素因数の和:966

約数の個数: 36

約数和(自身を含む): 52071552

約数和(自身を除く): 20202039

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 169, 207, 299, 507, 897, 911, 1521, 2691, 2733, 3887, 8199, 11661, 11843, 20953, 34983, 35529, 62859, 106587, 153959, 188577, 272389, 461877, 817167, 1385631, 2451501, 3541057, 10623171, 31869513]

約数ペア:

[(1, 31869513), (3, 10623171), (9, 3541057), (13, 2451501), (23, 1385631), (39, 817167), (69, 461877), (117, 272389), (169, 188577), (207, 153959), (299, 106587), (507, 62859), (897, 35529), (911, 34983), (1521, 20953), (2691, 11843), (2733, 11661), (3887, 8199)]