80490429

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:407

約数の個数: 40

約数和(自身を含む): 125139168

約数和(自身を除く): 44648739

約数列:

[1, 3, 9, 27, 37, 81, 107, 111, 251, 321, 333, 753, 963, 999, 2259, 2889, 2997, 3959, 6777, 8667, 9287, 11877, 20331, 26857, 27861, 35631, 80571, 83583, 106893, 241713, 250749, 320679, 725139, 752247, 993709, 2175417, 2981127, 8943381, 26830143, 80490429]

約数ペア:

[(1, 80490429), (3, 26830143), (9, 8943381), (27, 2981127), (37, 2175417), (81, 993709), (107, 752247), (111, 725139), (251, 320679), (321, 250749), (333, 241713), (753, 106893), (963, 83583), (999, 80571), (2259, 35631), (2889, 27861), (2997, 26857), (3959, 20331), (6777, 11877), (8667, 9287)]