217620675

素因数分解:

$3^4\times 5^2\times {\mathrm{107467}}^1$

素因数の和:107489

約数の個数: 30

約数和(自身を含む): 403112468

約数和(自身を除く): 185491793

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 107467, 322401, 537335, 967203, 1612005, 2686675, 2901609, 4836015, 8060025, 8704827, 14508045, 24180075, 43524135, 72540225, 217620675]

約数ペア:

[(1, 217620675), (3, 72540225), (5, 43524135), (9, 24180075), (15, 14508045), (25, 8704827), (27, 8060025), (45, 4836015), (75, 2901609), (81, 2686675), (135, 1612005), (225, 967203), (405, 537335), (675, 322401), (2025, 107467)]