18150075

素因数分解:

$3^4\times 5^2\times {\mathrm{8963}}^1$

素因数の和:8985

約数の個数: 30

約数和(自身を含む): 33623964

約数和(自身を除く): 15473889

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 8963, 26889, 44815, 80667, 134445, 224075, 242001, 403335, 672225, 726003, 1210005, 2016675, 3630015, 6050025, 18150075]

約数ペア:

[(1, 18150075), (3, 6050025), (5, 3630015), (9, 2016675), (15, 1210005), (25, 726003), (27, 672225), (45, 403335), (75, 242001), (81, 224075), (135, 134445), (225, 80667), (405, 44815), (675, 26889), (2025, 8963)]