15857985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7393}}^1$

素因数の和:7425

約数の個数: 32

約数和(自身を含む): 29812608

約数和(自身を除く): 13954623

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 143, 165, 195, 429, 715, 2145, 7393, 22179, 36965, 81323, 96109, 110895, 243969, 288327, 406615, 480545, 1057199, 1219845, 1441635, 3171597, 5285995, 15857985]

約数ペア:

[(1, 15857985), (3, 5285995), (5, 3171597), (11, 1441635), (13, 1219845), (15, 1057199), (33, 480545), (39, 406615), (55, 288327), (65, 243969), (143, 110895), (165, 96109), (195, 81323), (429, 36965), (715, 22179), (2145, 7393)]