78801417

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{51203}}^1$

素因数の和:51234

約数の個数: 20

約数和(自身を含む): 123913680

約数和(自身を除く): 45112263

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 51203, 153609, 460827, 972857, 1382481, 2918571, 4147443, 8755713, 26267139, 78801417]

約数ペア:

[(1, 78801417), (3, 26267139), (9, 8755713), (19, 4147443), (27, 2918571), (57, 1382481), (81, 972857), (171, 460827), (513, 153609), (1539, 51203)]