520019919

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{1567}}^1$

素因数の和:1837

約数の個数: 40

約数和(自身を含む): 826455168

約数和(自身を除く): 306435249

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 241, 459, 723, 1377, 1567, 2169, 4097, 4701, 6507, 12291, 14103, 19521, 26639, 36873, 42309, 79917, 110619, 126927, 239751, 331857, 377647, 719253, 1132941, 2157759, 3398823, 6419999, 10196469, 19259997, 30589407, 57779991, 173339973, 520019919]

約数ペア:

[(1, 520019919), (3, 173339973), (9, 57779991), (17, 30589407), (27, 19259997), (51, 10196469), (81, 6419999), (153, 3398823), (241, 2157759), (459, 1132941), (723, 719253), (1377, 377647), (1567, 331857), (2169, 239751), (4097, 126927), (4701, 110619), (6507, 79917), (12291, 42309), (14103, 36873), (19521, 26639)]