68403765

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 111609216

約数和(自身を除く): 43205451

約数列:

[1, 3, 5, 15, 101, 163, 277, 303, 489, 505, 815, 831, 1385, 1515, 2445, 4155, 16463, 27977, 45151, 49389, 82315, 83931, 135453, 139885, 225755, 246945, 419655, 677265, 4560251, 13680753, 22801255, 68403765]

約数ペア:

[(1, 68403765), (3, 22801255), (5, 13680753), (15, 4560251), (101, 677265), (163, 419655), (277, 246945), (303, 225755), (489, 139885), (505, 135453), (815, 83931), (831, 82315), (1385, 49389), (1515, 45151), (2445, 27977), (4155, 16463)]