78015717

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1723}}^1$

素因数の和:1791

約数の個数: 40

約数和(自身を含む): 128500064

約数和(自身を除く): 50484347

約数列:

[1, 3, 9, 13, 27, 39, 43, 81, 117, 129, 351, 387, 559, 1053, 1161, 1677, 1723, 3483, 5031, 5169, 15093, 15507, 22399, 45279, 46521, 67197, 74089, 139563, 201591, 222267, 604773, 666801, 963157, 1814319, 2000403, 2889471, 6001209, 8668413, 26005239, 78015717]

約数ペア:

[(1, 78015717), (3, 26005239), (9, 8668413), (13, 6001209), (27, 2889471), (39, 2000403), (43, 1814319), (81, 963157), (117, 666801), (129, 604773), (351, 222267), (387, 201591), (559, 139563), (1053, 74089), (1161, 67197), (1677, 46521), (1723, 45279), (3483, 22399), (5031, 15507), (5169, 15093)]