72821313

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{397}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 107101800

約数和(自身を除く): 34280487

約数列:

[1, 3, 9, 89, 229, 267, 397, 687, 801, 1191, 2061, 3573, 20381, 35333, 61143, 90913, 105999, 183429, 272739, 317997, 818217, 8091257, 24273771, 72821313]

約数ペア:

[(1, 72821313), (3, 24273771), (9, 8091257), (89, 818217), (229, 317997), (267, 272739), (397, 183429), (687, 105999), (801, 90913), (1191, 61143), (2061, 35333), (3573, 20381)]