72181889

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{3307}}^1$

素因数の和:3416

約数の個数: 16

約数和(自身を含む): 82250112

約数和(自身を除く): 10068223

約数列:

[1, 13, 23, 73, 299, 949, 1679, 3307, 21827, 42991, 76061, 241411, 988793, 3138343, 5552453, 72181889]

約数ペア:

[(1, 72181889), (13, 5552453), (23, 3138343), (73, 988793), (299, 241411), (949, 76061), (1679, 42991), (3307, 21827)]