256843485

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{121439}}^1$

素因数の和:121497

約数の個数: 24

約数和(自身を含む): 454671360

約数和(自身を除く): 197827875

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 121439, 364317, 607195, 1092951, 1821585, 5464755, 5707633, 17122899, 28538165, 51368697, 85614495, 256843485]

約数ペア:

[(1, 256843485), (3, 85614495), (5, 51368697), (9, 28538165), (15, 17122899), (45, 5707633), (47, 5464755), (141, 1821585), (235, 1092951), (423, 607195), (705, 364317), (2115, 121439)]