78870915

素因数分解:

$3^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1307}}^1$

素因数の和:1473

約数の個数: 40

約数和(自身を含む): 142441200

約数和(自身を除く): 63570285

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 149, 405, 447, 745, 1307, 1341, 2235, 3921, 4023, 6535, 6705, 11763, 12069, 19605, 20115, 35289, 58815, 60345, 105867, 176445, 194743, 529335, 584229, 973715, 1752687, 2921145, 5258061, 8763435, 15774183, 26290305, 78870915]

約数ペア:

[(1, 78870915), (3, 26290305), (5, 15774183), (9, 8763435), (15, 5258061), (27, 2921145), (45, 1752687), (81, 973715), (135, 584229), (149, 529335), (405, 194743), (447, 176445), (745, 105867), (1307, 60345), (1341, 58815), (2235, 35289), (3921, 20115), (4023, 19605), (6535, 12069), (6705, 11763)]