56209209

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{37699}}^1$

素因数の和:37780

約数の個数: 16

約数和(自身を含む): 86860800

約数和(自身を除く): 30651591

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 37699, 113097, 263893, 791679, 2676629, 8029887, 18736403, 56209209]

約数ペア:

[(1, 56209209), (3, 18736403), (7, 8029887), (21, 2676629), (71, 791679), (213, 263893), (497, 113097), (1491, 37699)]