213758209

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{9151}}^1$

素因数の和:9276

約数の個数: 16

約数和(自身を含む): 253034496

約数和(自身を除く): 39276287

約数列:

[1, 7, 47, 71, 329, 497, 3337, 9151, 23359, 64057, 430097, 649721, 3010679, 4548047, 30536887, 213758209]

約数ペア:

[(1, 213758209), (7, 30536887), (47, 4548047), (71, 3010679), (329, 649721), (497, 430097), (3337, 64057), (9151, 23359)]