128423475

素因数分解:

$3^4\times 5^2\times {\mathrm{63419}}^1$

素因数の和:63441

約数の個数: 30

約数和(自身を含む): 237888420

約数和(自身を除く): 109464945

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 63419, 190257, 317095, 570771, 951285, 1585475, 1712313, 2853855, 4756425, 5136939, 8561565, 14269275, 25684695, 42807825, 128423475]

約数ペア:

[(1, 128423475), (3, 42807825), (5, 25684695), (9, 14269275), (15, 8561565), (25, 5136939), (27, 4756425), (45, 2853855), (75, 1712313), (81, 1585475), (135, 951285), (225, 570771), (405, 317095), (675, 190257), (2025, 63419)]