42278679

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{14107}}^1$

素因数の和:14156

約数の個数: 20

約数和(自身を含む): 64868584

約数和(自身を除く): 22589905

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 14107, 42321, 126963, 380889, 521959, 1142667, 1565877, 4697631, 14092893, 42278679]

約数ペア:

[(1, 42278679), (3, 14092893), (9, 4697631), (27, 1565877), (37, 1142667), (81, 521959), (111, 380889), (333, 126963), (999, 42321), (2997, 14107)]