72428121

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{86533}}^1$

素因数の和:86573

約数の個数: 16

約数和(自身を含む): 110763520

約数和(自身を除く): 38335399

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 86533, 259599, 778797, 2336391, 2682523, 8047569, 24142707, 72428121]

約数ペア:

[(1, 72428121), (3, 24142707), (9, 8047569), (27, 2682523), (31, 2336391), (93, 778797), (279, 259599), (837, 86533)]