18180075

素因数分解:

$3^1\times 5^2\times {\mathrm{223}}^1\times {\mathrm{1087}}^1$

素因数の和:1323

約数の個数: 24

約数和(自身を含む): 30220288

約数和(自身を除く): 12040213

約数列:

[1, 3, 5, 15, 25, 75, 223, 669, 1087, 1115, 3261, 3345, 5435, 5575, 16305, 16725, 27175, 81525, 242401, 727203, 1212005, 3636015, 6060025, 18180075]

約数ペア:

[(1, 18180075), (3, 6060025), (5, 3636015), (15, 1212005), (25, 727203), (75, 242401), (223, 81525), (669, 27175), (1087, 16725), (1115, 16305), (3261, 5575), (3345, 5435)]