245339409

素因数分解:

$3^1\times 7^1\times {\mathrm{2657}}^1\times {\mathrm{4397}}^1$

素因数の和:7064

約数の個数: 16

約数和(自身を含む): 374076288

約数和(自身を除く): 128736879

約数列:

[1, 3, 7, 21, 2657, 4397, 7971, 13191, 18599, 30779, 55797, 92337, 11682829, 35048487, 81779803, 245339409]

約数ペア:

[(1, 245339409), (3, 81779803), (7, 35048487), (21, 11682829), (2657, 92337), (4397, 55797), (7971, 30779), (13191, 18599)]