1299025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:601

約数の個数: 24

約数和(自身を含む): 1985984

約数和(自身を除く): 686959

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 571, 2275, 2855, 3997, 7423, 14275, 19985, 37115, 51961, 99925, 185575, 259805, 1299025]

約数ペア:

[(1, 1299025), (5, 259805), (7, 185575), (13, 99925), (25, 51961), (35, 37115), (65, 19985), (91, 14275), (175, 7423), (325, 3997), (455, 2855), (571, 2275)]