81533305

素因数分解:

$5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{4967}}^1$

素因数の和:5053

約数の個数: 24

約数和(自身を含む): 115535808

約数和(自身を除く): 34002503

約数列:

[1, 5, 7, 35, 49, 67, 245, 335, 469, 2345, 3283, 4967, 16415, 24835, 34769, 173845, 243383, 332789, 1216915, 1663945, 2329523, 11647615, 16306661, 81533305]

約数ペア:

[(1, 81533305), (5, 16306661), (7, 11647615), (35, 2329523), (49, 1663945), (67, 1216915), (245, 332789), (335, 243383), (469, 173845), (2345, 34769), (3283, 24835), (4967, 16415)]