15809985

素因数分解:

$3^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:499

約数の個数: 40

約数和(自身を含む): 28691520

約数和(自身を除く): 12881535

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 103, 135, 309, 379, 405, 515, 927, 1137, 1545, 1895, 2781, 3411, 4635, 5685, 8343, 10233, 13905, 17055, 30699, 39037, 41715, 51165, 117111, 153495, 195185, 351333, 585555, 1053999, 1756665, 3161997, 5269995, 15809985]

約数ペア:

[(1, 15809985), (3, 5269995), (5, 3161997), (9, 1756665), (15, 1053999), (27, 585555), (45, 351333), (81, 195185), (103, 153495), (135, 117111), (309, 51165), (379, 41715), (405, 39037), (515, 30699), (927, 17055), (1137, 13905), (1545, 10233), (1895, 8343), (2781, 5685), (3411, 4635)]