157217031

素因数分解:

$3^4\times {\mathrm{79}}^2\times {\mathrm{311}}^1$

素因数の和:481

約数の個数: 30

約数和(自身を含む): 238630392

約数和(自身を除く): 81413361

約数列:

[1, 3, 9, 27, 79, 81, 237, 311, 711, 933, 2133, 2799, 6241, 6399, 8397, 18723, 24569, 25191, 56169, 73707, 168507, 221121, 505521, 663363, 1940951, 1990089, 5822853, 17468559, 52405677, 157217031]

約数ペア:

[(1, 157217031), (3, 52405677), (9, 17468559), (27, 5822853), (79, 1990089), (81, 1940951), (237, 663363), (311, 505521), (711, 221121), (933, 168507), (2133, 73707), (2799, 56169), (6241, 25191), (6399, 24569), (8397, 18723)]