15404985

素因数分解:

$3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 28654080

約数和(自身を除く): 13249095

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 243, 279, 405, 409, 465, 837, 1215, 1227, 1395, 2045, 2511, 3681, 4185, 6135, 7533, 11043, 12555, 12679, 18405, 33129, 37665, 38037, 55215, 63395, 99387, 114111, 165645, 190185, 342333, 496935, 570555, 1026999, 1711665, 3080997, 5134995, 15404985]

約数ペア:

[(1, 15404985), (3, 5134995), (5, 3080997), (9, 1711665), (15, 1026999), (27, 570555), (31, 496935), (45, 342333), (81, 190185), (93, 165645), (135, 114111), (155, 99387), (243, 63395), (279, 55215), (405, 38037), (409, 37665), (465, 33129), (837, 18405), (1215, 12679), (1227, 12555), (1395, 11043), (2045, 7533), (2511, 6135), (3681, 4185)]