128422425

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{90121}}^1$

素因数の和:90153

約数の個数: 24

約数和(自身を含む): 223502560

約数和(自身を除く): 95080135

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 90121, 270363, 450605, 1351815, 1712299, 2253025, 5136897, 6759075, 8561495, 25684485, 42807475, 128422425]

約数ペア:

[(1, 128422425), (3, 42807475), (5, 25684485), (15, 8561495), (19, 6759075), (25, 5136897), (57, 2253025), (75, 1712299), (95, 1351815), (285, 450605), (475, 270363), (1425, 90121)]