131791509

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{157457}}^1$

素因数の和:157497

約数の個数: 16

約数和(自身を含む): 201546240

約数和(自身を除く): 69754731

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 157457, 472371, 1417113, 4251339, 4881167, 14643501, 43930503, 131791509]

約数ペア:

[(1, 131791509), (3, 43930503), (9, 14643501), (27, 4881167), (31, 4251339), (93, 1417113), (279, 472371), (837, 157457)]