31274667

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{2557}}^1$

素因数の和:2720

約数の個数: 20

約数和(自身を含む): 47046736

約数和(自身を除く): 15772069

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 2557, 4077, 7671, 12231, 23013, 69039, 207117, 386107, 1158321, 3474963, 10424889, 31274667]

約数ペア:

[(1, 31274667), (3, 10424889), (9, 3474963), (27, 1158321), (81, 386107), (151, 207117), (453, 69039), (1359, 23013), (2557, 12231), (4077, 7671)]