81448575

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83537}}^1$

素因数の和:83563

約数の個数: 24

約数和(自身を含む): 145021968

約数和(自身を除く): 63573393

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 83537, 250611, 417685, 1085981, 1253055, 2088425, 3257943, 5429905, 6265275, 16289715, 27149525, 81448575]

約数ペア:

[(1, 81448575), (3, 27149525), (5, 16289715), (13, 6265275), (15, 5429905), (25, 3257943), (39, 2088425), (65, 1253055), (75, 1085981), (195, 417685), (325, 250611), (975, 83537)]