1390442985

素因数分解:

$3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{81527}}^1$

素因数の和:81917

約数の個数: 24

約数和(自身を含む): 2416489920

約数和(自身を除く): 1026046935

約数列:

[1, 3, 5, 9, 15, 45, 379, 1137, 1895, 3411, 5685, 17055, 81527, 244581, 407635, 733743, 1222905, 3668715, 30898733, 92696199, 154493665, 278088597, 463480995, 1390442985]

約数ペア:

[(1, 1390442985), (3, 463480995), (5, 278088597), (9, 154493665), (15, 92696199), (45, 30898733), (379, 3668715), (1137, 1222905), (1895, 733743), (3411, 407635), (5685, 244581), (17055, 81527)]