31304871

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15739}}^1$

素因数の和:15775

約数の個数: 24

約数和(自身を含む): 51564240

約数和(自身を除く): 20259369

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 15739, 47217, 141651, 204607, 267563, 613821, 802689, 1841463, 2408067, 3478319, 10434957, 31304871]

約数ペア:

[(1, 31304871), (3, 10434957), (9, 3478319), (13, 2408067), (17, 1841463), (39, 802689), (51, 613821), (117, 267563), (153, 204607), (221, 141651), (663, 47217), (1989, 15739)]