40480479

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1039}}^1$

素因数の和:1101

約数の個数: 40

約数和(自身を含む): 66946880

約数和(自身を除く): 26466401

約数列:

[1, 3, 9, 13, 27, 37, 39, 81, 111, 117, 333, 351, 481, 999, 1039, 1053, 1443, 2997, 3117, 4329, 9351, 12987, 13507, 28053, 38443, 38961, 40521, 84159, 115329, 121563, 345987, 364689, 499759, 1037961, 1094067, 1499277, 3113883, 4497831, 13493493, 40480479]

約数ペア:

[(1, 40480479), (3, 13493493), (9, 4497831), (13, 3113883), (27, 1499277), (37, 1094067), (39, 1037961), (81, 499759), (111, 364689), (117, 345987), (333, 121563), (351, 115329), (481, 84159), (999, 40521), (1039, 38961), (1053, 38443), (1443, 28053), (2997, 13507), (3117, 12987), (4329, 9351)]