31361643

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{491}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 46665216

約数和(自身を除く): 15303573

約数列:

[1, 3, 9, 47, 141, 151, 423, 453, 491, 1359, 1473, 4419, 7097, 21291, 23077, 63873, 69231, 74141, 207693, 222423, 667269, 3484627, 10453881, 31361643]

約数ペア:

[(1, 31361643), (3, 10453881), (9, 3484627), (47, 667269), (141, 222423), (151, 207693), (423, 74141), (453, 69231), (491, 63873), (1359, 23077), (1473, 21291), (4419, 7097)]