31680801

素因数分解:

$3^4\times {\mathrm{227}}^1\times {\mathrm{1723}}^1$

素因数の和:1962

約数の個数: 20

約数和(自身を含む): 47561712

約数和(自身を除く): 15880911

約数列:

[1, 3, 9, 27, 81, 227, 681, 1723, 2043, 5169, 6129, 15507, 18387, 46521, 139563, 391121, 1173363, 3520089, 10560267, 31680801]

約数ペア:

[(1, 31680801), (3, 10560267), (9, 3520089), (27, 1173363), (81, 391121), (227, 139563), (681, 46521), (1723, 18387), (2043, 15507), (5169, 6129)]