31983579

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{23227}}^1$

素因数の和:23256

約数の個数: 20

約数和(自身を含む): 50590584

約数和(自身を除く): 18607005

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 23227, 69681, 209043, 394859, 627129, 1184577, 1881387, 3553731, 10661193, 31983579]

約数ペア:

[(1, 31983579), (3, 10661193), (9, 3553731), (17, 1881387), (27, 1184577), (51, 627129), (81, 394859), (153, 209043), (459, 69681), (1377, 23227)]