65286405

素因数分解:

$3^4\times 5^1\times {\mathrm{161201}}^1$

素因数の和:161218

約数の個数: 20

約数和(自身を含む): 117032652

約数和(自身を除く): 51746247

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 161201, 483603, 806005, 1450809, 2418015, 4352427, 7254045, 13057281, 21762135, 65286405]

約数ペア:

[(1, 65286405), (3, 21762135), (5, 13057281), (9, 7254045), (15, 4352427), (27, 2418015), (45, 1450809), (81, 806005), (135, 483603), (405, 161201)]