87851025

素因数分解:

$3^2\times 5^2\times {\mathrm{390449}}^1$

素因数の和:390465

約数の個数: 18

約数和(自身を含む): 157351350

約数和(自身を除く): 69500325

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 390449, 1171347, 1952245, 3514041, 5856735, 9761225, 17570205, 29283675, 87851025]

約数ペア:

[(1, 87851025), (3, 29283675), (5, 17570205), (9, 9761225), (15, 5856735), (25, 3514041), (45, 1952245), (75, 1171347), (225, 390449)]