128568219

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{8221}}^1$

素因数の和:8638

約数の個数: 16

約数和(自身を含む): 185093664

約数和(自身を除く): 56525445

約数列:

[1, 3, 13, 39, 401, 1203, 5213, 8221, 15639, 24663, 106873, 320619, 3296621, 9889863, 42856073, 128568219]

約数ペア:

[(1, 128568219), (3, 42856073), (13, 9889863), (39, 3296621), (401, 320619), (1203, 106873), (5213, 24663), (8221, 15639)]