21762135

素因数分解:

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

素因数の和:161215

約数の個数: 16

約数和(自身を含む): 38688480

約数和(自身を除く): 16926345

約数列:

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

約数ペア:

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