51491583

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{40009}}^1$

素因数の和:40039

約数の個数: 24

約数和(自身を含む): 87381840

約数和(自身を除く): 35890257

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 40009, 120027, 360081, 440099, 520117, 1320297, 1560351, 3960891, 4681053, 5721287, 17163861, 51491583]

約数ペア:

[(1, 51491583), (3, 17163861), (9, 5721287), (11, 4681053), (13, 3960891), (33, 1560351), (39, 1320297), (99, 520117), (117, 440099), (143, 360081), (429, 120027), (1287, 40009)]