72038889

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2$

素因数の和:148

約数の個数: 60

約数和(自身を含む): 121856196

約数和(自身を除く): 49817307

約数列:

[1, 3, 9, 13, 27, 37, 39, 43, 81, 111, 117, 129, 333, 351, 387, 481, 559, 999, 1053, 1161, 1443, 1591, 1677, 1849, 2997, 3483, 4329, 4773, 5031, 5547, 12987, 14319, 15093, 16641, 20683, 24037, 38961, 42957, 45279, 49923, 62049, 68413, 72111, 128871, 149769, 186147, 205239, 216333, 558441, 615717, 648999, 889369, 1675323, 1847151, 1946997, 2668107, 5541453, 8004321, 24012963, 72038889]

約数ペア:

[(1, 72038889), (3, 24012963), (9, 8004321), (13, 5541453), (27, 2668107), (37, 1946997), (39, 1847151), (43, 1675323), (81, 889369), (111, 648999), (117, 615717), (129, 558441), (333, 216333), (351, 205239), (387, 186147), (481, 149769), (559, 128871), (999, 72111), (1053, 68413), (1161, 62049), (1443, 49923), (1591, 45279), (1677, 42957), (1849, 38961), (2997, 24037), (3483, 20683), (4329, 16641), (4773, 15093), (5031, 14319), (5547, 12987)]