213625215

素因数分解:

$3^3\times 5^1\times {\mathrm{1582409}}^1$

素因数の和:1582423

約数の個数: 16

約数和(自身を含む): 379778400

約数和(自身を除く): 166153185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1582409, 4747227, 7912045, 14241681, 23736135, 42725043, 71208405, 213625215]

約数ペア:

[(1, 213625215), (3, 71208405), (5, 42725043), (9, 23736135), (15, 14241681), (27, 7912045), (45, 4747227), (135, 1582409)]