16715421

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 25584000

約数和(自身を除く): 8868579

約数列:

[1, 3, 9, 19, 57, 171, 239, 409, 717, 1227, 2151, 3681, 4541, 7771, 13623, 23313, 40869, 69939, 97751, 293253, 879759, 1857269, 5571807, 16715421]

約数ペア:

[(1, 16715421), (3, 5571807), (9, 1857269), (19, 879759), (57, 293253), (171, 97751), (239, 69939), (409, 40869), (717, 23313), (1227, 13623), (2151, 7771), (3681, 4541)]