778860279

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{1321}}^1$

素因数の和:1613

約数の個数: 40

約数和(自身を含む): 1209312720

約数和(自身を除く): 430452441

約数列:

[1, 3, 9, 27, 29, 81, 87, 251, 261, 753, 783, 1321, 2259, 2349, 3963, 6777, 7279, 11889, 20331, 21837, 35667, 38309, 65511, 107001, 114927, 196533, 331571, 344781, 589599, 994713, 1034343, 2984139, 3103029, 8952417, 9615559, 26857251, 28846677, 86540031, 259620093, 778860279]

約数ペア:

[(1, 778860279), (3, 259620093), (9, 86540031), (27, 28846677), (29, 26857251), (81, 9615559), (87, 8952417), (251, 3103029), (261, 2984139), (753, 1034343), (783, 994713), (1321, 589599), (2259, 344781), (2349, 331571), (3963, 196533), (6777, 114927), (7279, 107001), (11889, 65511), (20331, 38309), (21837, 35667)]