71890737

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^2\times {\mathrm{449}}^1$

素因数の和:577

約数の個数: 24

約数和(自身を含む): 103068000

約数和(自身を除く): 31177263

約数列:

[1, 3, 19, 53, 57, 159, 449, 1007, 1347, 2809, 3021, 8427, 8531, 23797, 25593, 53371, 71391, 160113, 452143, 1261241, 1356429, 3783723, 23963579, 71890737]

約数ペア:

[(1, 71890737), (3, 23963579), (19, 3783723), (53, 1356429), (57, 1261241), (159, 452143), (449, 160113), (1007, 71391), (1347, 53371), (2809, 25593), (3021, 23797), (8427, 8531)]