81045075

素因数分解:

$3^1\times 5^2\times {\mathrm{419}}^1\times {\mathrm{2579}}^1$

素因数の和:3011

約数の個数: 24

約数和(自身を含む): 134366400

約数和(自身を除く): 53321325

約数列:

[1, 3, 5, 15, 25, 75, 419, 1257, 2095, 2579, 6285, 7737, 10475, 12895, 31425, 38685, 64475, 193425, 1080601, 3241803, 5403005, 16209015, 27015025, 81045075]

約数ペア:

[(1, 81045075), (3, 27015025), (5, 16209015), (15, 5403005), (25, 3241803), (75, 1080601), (419, 193425), (1257, 64475), (2095, 38685), (2579, 31425), (6285, 12895), (7737, 10475)]