71757495

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3343}}^1$

素因数の和:3413

約数の個数: 40

約数和(自身を含む): 131098176

約数和(自身を除く): 59340681

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 795, 1431, 2385, 3343, 4293, 7155, 10029, 16715, 21465, 30087, 50145, 90261, 150435, 177179, 270783, 451305, 531537, 885895, 1353915, 1594611, 2657685, 4783833, 7973055, 14351499, 23919165, 71757495]

約数ペア:

[(1, 71757495), (3, 23919165), (5, 14351499), (9, 7973055), (15, 4783833), (27, 2657685), (45, 1594611), (53, 1353915), (81, 885895), (135, 531537), (159, 451305), (265, 270783), (405, 177179), (477, 150435), (795, 90261), (1431, 50145), (2385, 30087), (3343, 21465), (4293, 16715), (7155, 10029)]