8138475

素因数分解:

$3^4\times 5^2\times {\mathrm{4019}}^1$

素因数の和:4041

約数の個数: 30

約数和(自身を含む): 15079020

約数和(自身を除く): 6940545

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 4019, 12057, 20095, 36171, 60285, 100475, 108513, 180855, 301425, 325539, 542565, 904275, 1627695, 2712825, 8138475]

約数ペア:

[(1, 8138475), (3, 2712825), (5, 1627695), (9, 904275), (15, 542565), (25, 325539), (27, 301425), (45, 180855), (75, 108513), (81, 100475), (135, 60285), (225, 36171), (405, 20095), (675, 12057), (2025, 4019)]