138075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{263}}^1$

素因数の和:283

約数の個数: 24

約数和(自身を含む): 261888

約数和(自身を除く): 123813

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 263, 525, 789, 1315, 1841, 3945, 5523, 6575, 9205, 19725, 27615, 46025, 138075]

約数ペア:

[(1, 138075), (3, 46025), (5, 27615), (7, 19725), (15, 9205), (21, 6575), (25, 5523), (35, 3945), (75, 1841), (105, 1315), (175, 789), (263, 525)]