15872961

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 24801280

約数和(自身を除く): 8928319

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 247, 403, 589, 691, 741, 1209, 1767, 2073, 7657, 8983, 13129, 21421, 22971, 26949, 39387, 64263, 170677, 278473, 406999, 512031, 835419, 1220997, 5290987, 15872961]

約数ペア:

[(1, 15872961), (3, 5290987), (13, 1220997), (19, 835419), (31, 512031), (39, 406999), (57, 278473), (93, 170677), (247, 64263), (403, 39387), (589, 26949), (691, 22971), (741, 21421), (1209, 13129), (1767, 8983), (2073, 7657)]