81680265

素因数分解:

$3^3\times 5^1\times {\mathrm{605039}}^1$

素因数の和:605053

約数の個数: 16

約数和(自身を含む): 145209600

約数和(自身を除く): 63529335

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 605039, 1815117, 3025195, 5445351, 9075585, 16336053, 27226755, 81680265]

約数ペア:

[(1, 81680265), (3, 27226755), (5, 16336053), (9, 9075585), (15, 5445351), (27, 3025195), (45, 1815117), (135, 605039)]