12918075

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{4201}}^1$

素因数の和:4255

約数の個数: 24

約数和(自身を含む): 21884016

約数和(自身を除く): 8965941

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 4201, 12603, 21005, 63015, 105025, 172241, 315075, 516723, 861205, 2583615, 4306025, 12918075]

約数ペア:

[(1, 12918075), (3, 4306025), (5, 2583615), (15, 861205), (25, 516723), (41, 315075), (75, 172241), (123, 105025), (205, 63015), (615, 21005), (1025, 12603), (3075, 4201)]