4991025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5119}}^1$

素因数の和:5145

約数の個数: 24

約数和(自身を含む): 8888320

約数和(自身を除く): 3897295

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 5119, 15357, 25595, 66547, 76785, 127975, 199641, 332735, 383925, 998205, 1663675, 4991025]

約数ペア:

[(1, 4991025), (3, 1663675), (5, 998205), (13, 383925), (15, 332735), (25, 199641), (39, 127975), (65, 76785), (75, 66547), (195, 25595), (325, 15357), (975, 5119)]