2018295225

素因数分解:

$3^4\times 5^2\times {\mathrm{996689}}^1$

素因数の和:996711

約数の個数: 30

約数和(自身を含む): 3738584190

約数和(自身を除く): 1720288965

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 996689, 2990067, 4983445, 8970201, 14950335, 24917225, 26910603, 44851005, 74751675, 80731809, 134553015, 224255025, 403659045, 672765075, 2018295225]

約数ペア:

[(1, 2018295225), (3, 672765075), (5, 403659045), (9, 224255025), (15, 134553015), (25, 80731809), (27, 74751675), (45, 44851005), (75, 26910603), (81, 24917225), (135, 14950335), (225, 8970201), (405, 4983445), (675, 2990067), (2025, 996689)]