51399271

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 67424256

約数和(自身を除く): 16024985

約数列:

[1, 7, 11, 31, 61, 77, 217, 341, 353, 427, 671, 1891, 2387, 2471, 3883, 4697, 10943, 13237, 20801, 21533, 27181, 76601, 120373, 145607, 150731, 236863, 667523, 842611, 1658041, 4672661, 7342753, 51399271]

約数ペア:

[(1, 51399271), (7, 7342753), (11, 4672661), (31, 1658041), (61, 842611), (77, 667523), (217, 236863), (341, 150731), (353, 145607), (427, 120373), (671, 76601), (1891, 27181), (2387, 21533), (2471, 20801), (3883, 13237), (4697, 10943)]