64828911

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^2\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 36

約数和(自身を含む): 103136712

約数和(自身を除く): 38307801

約数列:

[1, 3, 7, 21, 49, 53, 147, 157, 159, 371, 471, 1099, 1113, 2597, 2809, 3297, 7693, 7791, 8321, 8427, 19663, 23079, 24963, 58247, 58989, 137641, 174741, 407729, 412923, 441013, 1223187, 1323039, 3087091, 9261273, 21609637, 64828911]

約数ペア:

[(1, 64828911), (3, 21609637), (7, 9261273), (21, 3087091), (49, 1323039), (53, 1223187), (147, 441013), (157, 412923), (159, 407729), (371, 174741), (471, 137641), (1099, 58989), (1113, 58247), (2597, 24963), (2809, 23079), (3297, 19663), (7693, 8427), (7791, 8321)]