3128121

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 4736160

約数和(自身を除く): 1608039

約数列:

[1, 3, 9, 43, 59, 129, 137, 177, 387, 411, 531, 1233, 2537, 5891, 7611, 8083, 17673, 22833, 24249, 53019, 72747, 347569, 1042707, 3128121]

約数ペア:

[(1, 3128121), (3, 1042707), (9, 347569), (43, 72747), (59, 53019), (129, 24249), (137, 22833), (177, 17673), (387, 8083), (411, 7611), (531, 5891), (1233, 2537)]