15971265

素因数分解:

$3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1381}}^1$

素因数の和:1649

約数の個数: 24

約数和(自身を含む): 27811368

約数和(自身を除く): 11840103

約数列:

[1, 3, 5, 9, 15, 45, 257, 771, 1285, 1381, 2313, 3855, 4143, 6905, 11565, 12429, 20715, 62145, 354917, 1064751, 1774585, 3194253, 5323755, 15971265]

約数ペア:

[(1, 15971265), (3, 5323755), (5, 3194253), (9, 1774585), (15, 1064751), (45, 354917), (257, 62145), (771, 20715), (1285, 12429), (1381, 11565), (2313, 6905), (3855, 4143)]