15389919

素因数分解:

$3^7\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 23930880

約数和(自身を除く): 8540961

約数列:

[1, 3, 9, 27, 31, 81, 93, 227, 243, 279, 681, 729, 837, 2043, 2187, 2511, 6129, 7037, 7533, 18387, 21111, 22599, 55161, 63333, 67797, 165483, 189999, 496449, 569997, 1709991, 5129973, 15389919]

約数ペア:

[(1, 15389919), (3, 5129973), (9, 1709991), (27, 569997), (31, 496449), (81, 189999), (93, 165483), (227, 67797), (243, 63333), (279, 55161), (681, 22599), (729, 21111), (837, 18387), (2043, 7533), (2187, 7037), (2511, 6129)]