4080345

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 6988800

約数和(自身を除く): 2908455

約数列:

[1, 3, 5, 15, 19, 57, 95, 103, 139, 285, 309, 417, 515, 695, 1545, 1957, 2085, 2641, 5871, 7923, 9785, 13205, 14317, 29355, 39615, 42951, 71585, 214755, 272023, 816069, 1360115, 4080345]

約数ペア:

[(1, 4080345), (3, 1360115), (5, 816069), (15, 272023), (19, 214755), (57, 71585), (95, 42951), (103, 39615), (139, 29355), (285, 14317), (309, 13205), (417, 9785), (515, 7923), (695, 5871), (1545, 2641), (1957, 2085)]