78200721

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:415

約数の個数: 40

約数和(自身を含む): 121663080

約数和(自身を除く): 43462359

約数列:

[1, 3, 9, 27, 37, 81, 97, 111, 269, 291, 333, 807, 873, 999, 2421, 2619, 2997, 3589, 7263, 7857, 9953, 10767, 21789, 26093, 29859, 32301, 78279, 89577, 96903, 234837, 268731, 290709, 704511, 806193, 965441, 2113533, 2896323, 8688969, 26066907, 78200721]

約数ペア:

[(1, 78200721), (3, 26066907), (9, 8688969), (27, 2896323), (37, 2113533), (81, 965441), (97, 806193), (111, 704511), (269, 290709), (291, 268731), (333, 234837), (807, 96903), (873, 89577), (999, 78279), (2421, 32301), (2619, 29859), (2997, 26093), (3589, 21789), (7263, 10767), (7857, 9953)]