15780165

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3257}}^1$

素因数の和:3301

約数の個数: 32

約数和(自身を含む): 28149120

約数和(自身を除く): 12368955

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 3257, 4845, 9771, 16285, 48855, 55369, 61883, 166107, 185649, 276845, 309415, 830535, 928245, 1052011, 3156033, 5260055, 15780165]

約数ペア:

[(1, 15780165), (3, 5260055), (5, 3156033), (15, 1052011), (17, 928245), (19, 830535), (51, 309415), (57, 276845), (85, 185649), (95, 166107), (255, 61883), (285, 55369), (323, 48855), (969, 16285), (1615, 9771), (3257, 4845)]