259850025

素因数分解:

$3^4\times 5^2\times {\mathrm{128321}}^1$

素因数の和:128343

約数の個数: 30

約数和(自身を含む): 481335822

約数和(自身を除く): 221485797

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 128321, 384963, 641605, 1154889, 1924815, 3208025, 3464667, 5774445, 9624075, 10394001, 17323335, 28872225, 51970005, 86616675, 259850025]

約数ペア:

[(1, 259850025), (3, 86616675), (5, 51970005), (9, 28872225), (15, 17323335), (25, 10394001), (27, 9624075), (45, 5774445), (75, 3464667), (81, 3208025), (135, 1924815), (225, 1154889), (405, 641605), (675, 384963), (2025, 128321)]