2420025

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:841

約数の個数: 24

約数和(自身を含む): 4103904

約数和(自身を除く): 1683879

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 787, 1025, 2361, 3075, 3935, 11805, 19675, 32267, 59025, 96801, 161335, 484005, 806675, 2420025]

約数ペア:

[(1, 2420025), (3, 806675), (5, 484005), (15, 161335), (25, 96801), (41, 59025), (75, 32267), (123, 19675), (205, 11805), (615, 3935), (787, 3075), (1025, 2361)]