64251681

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 94711680

約数和(自身を除く): 30459999

約数列:

[1, 3, 13, 39, 89, 107, 173, 267, 321, 519, 1157, 1391, 2249, 3471, 4173, 6747, 9523, 15397, 18511, 28569, 46191, 55533, 123799, 200161, 240643, 371397, 600483, 721929, 1647479, 4942437, 21417227, 64251681]

約数ペア:

[(1, 64251681), (3, 21417227), (13, 4942437), (39, 1647479), (89, 721929), (107, 600483), (173, 371397), (267, 240643), (321, 200161), (519, 123799), (1157, 55533), (1391, 46191), (2249, 28569), (3471, 18511), (4173, 15397), (6747, 9523)]