31979367

素因数分解:

$3^4\times 7^1\times {\mathrm{56401}}^1$

素因数の和:56420

約数の個数: 20

約数和(自身を含む): 54597136

約数和(自身を除く): 22617769

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 56401, 169203, 394807, 507609, 1184421, 1522827, 3553263, 4568481, 10659789, 31979367]

約数ペア:

[(1, 31979367), (3, 10659789), (7, 4568481), (9, 3553263), (21, 1522827), (27, 1184421), (63, 507609), (81, 394807), (189, 169203), (567, 56401)]