1391025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1091}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 2437344

約数和(自身を除く): 1046319

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1091, 1275, 3273, 5455, 16365, 18547, 27275, 55641, 81825, 92735, 278205, 463675, 1391025]

約数ペア:

[(1, 1391025), (3, 463675), (5, 278205), (15, 92735), (17, 81825), (25, 55641), (51, 27275), (75, 18547), (85, 16365), (255, 5455), (425, 3273), (1091, 1275)]