393669

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:137

約数の個数: 24

約数和(自身を含む): 628992

約数和(自身を除く): 235323

約数列:

[1, 3, 9, 17, 31, 51, 83, 93, 153, 249, 279, 527, 747, 1411, 1581, 2573, 4233, 4743, 7719, 12699, 23157, 43741, 131223, 393669]

約数ペア:

[(1, 393669), (3, 131223), (9, 43741), (17, 23157), (31, 12699), (51, 7719), (83, 4743), (93, 4233), (153, 2573), (249, 1581), (279, 1411), (527, 747)]