128641851

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{122167}}^1$

素因数の和:122192

約数の個数: 20

約数和(自身を含む): 206952592

約数和(自身を除く): 78310741

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 122167, 366501, 1099503, 1588171, 3298509, 4764513, 9895527, 14293539, 42880617, 128641851]

約数ペア:

[(1, 128641851), (3, 42880617), (9, 14293539), (13, 9895527), (27, 4764513), (39, 3298509), (81, 1588171), (117, 1099503), (351, 366501), (1053, 122167)]