51215475

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{40169}}^1$

素因数の和:40199

約数の個数: 24

約数和(自身を含む): 89659440

約数和(自身を除く): 38443965

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 40169, 120507, 200845, 602535, 682873, 1004225, 2048619, 3012675, 3414365, 10243095, 17071825, 51215475]

約数ペア:

[(1, 51215475), (3, 17071825), (5, 10243095), (15, 3414365), (17, 3012675), (25, 2048619), (51, 1004225), (75, 682873), (85, 602535), (255, 200845), (425, 120507), (1275, 40169)]