216075

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:123

約数の個数: 24

約数和(自身を含む): 371008

約数和(自身を除く): 154933

約数列:

[1, 3, 5, 15, 25, 43, 67, 75, 129, 201, 215, 335, 645, 1005, 1075, 1675, 2881, 3225, 5025, 8643, 14405, 43215, 72025, 216075]

約数ペア:

[(1, 216075), (3, 72025), (5, 43215), (15, 14405), (25, 8643), (43, 5025), (67, 3225), (75, 2881), (129, 1675), (201, 1075), (215, 1005), (335, 645)]