56987679

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{30491}}^1$

素因数の和:30590

約数の個数: 16

約数和(自身を含む): 87816960

約数和(自身を除く): 30829281

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 30491, 91473, 213437, 640311, 2713699, 8141097, 18995893, 56987679]

約数ペア:

[(1, 56987679), (3, 18995893), (7, 8141097), (21, 2713699), (89, 640311), (267, 213437), (623, 91473), (1869, 30491)]