31917789

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{919}}^1$

素因数の和:1169

約数の個数: 24

約数和(自身を含む): 49083840

約数和(自身を除く): 17166051

約数列:

[1, 3, 9, 17, 51, 153, 227, 681, 919, 2043, 2757, 3859, 8271, 11577, 15623, 34731, 46869, 140607, 208613, 625839, 1877517, 3546421, 10639263, 31917789]

約数ペア:

[(1, 31917789), (3, 10639263), (9, 3546421), (17, 1877517), (51, 625839), (153, 208613), (227, 140607), (681, 46869), (919, 34731), (2043, 15623), (2757, 11577), (3859, 8271)]