64240197

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{691}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 103633920

約数和(自身を除く): 39393723

約数列:

[1, 3, 7, 19, 21, 57, 133, 233, 399, 691, 699, 1631, 2073, 4427, 4837, 4893, 13129, 13281, 14511, 30989, 39387, 91903, 92967, 161003, 275709, 483009, 1127021, 3059057, 3381063, 9177171, 21413399, 64240197]

約数ペア:

[(1, 64240197), (3, 21413399), (7, 9177171), (19, 3381063), (21, 3059057), (57, 1127021), (133, 483009), (233, 275709), (399, 161003), (691, 92967), (699, 91903), (1631, 39387), (2073, 30989), (4427, 14511), (4837, 13281), (4893, 13129)]