193305

素因数分解:

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

素因数の和:285

約数の個数: 24

約数和(自身を含む): 361152

約数和(自身を除く): 167847

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 263, 735, 789, 1315, 1841, 3945, 5523, 9205, 12887, 27615, 38661, 64435, 193305]

約数ペア:

[(1, 193305), (3, 64435), (5, 38661), (7, 27615), (15, 12887), (21, 9205), (35, 5523), (49, 3945), (105, 1841), (147, 1315), (245, 789), (263, 735)]