128528025

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{74509}}^1$

素因数の和:74545

約数の個数: 24

約数和(自身を含む): 221741760

約数和(自身を除く): 93213735

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 74509, 223527, 372545, 1117635, 1713707, 1862725, 5141121, 5588175, 8568535, 25705605, 42842675, 128528025]

約数ペア:

[(1, 128528025), (3, 42842675), (5, 25705605), (15, 8568535), (23, 5588175), (25, 5141121), (69, 1862725), (75, 1713707), (115, 1117635), (345, 372545), (575, 223527), (1725, 74509)]