1247025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1279}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 2222080

約数和(自身を除く): 975055

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 1279, 3837, 6395, 16627, 19185, 31975, 49881, 83135, 95925, 249405, 415675, 1247025]

約数ペア:

[(1, 1247025), (3, 415675), (5, 249405), (13, 95925), (15, 83135), (25, 49881), (39, 31975), (65, 19185), (75, 16627), (195, 6395), (325, 3837), (975, 1279)]