80971545

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{569}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 132969600

約数和(自身を除く): 51998055

約数列:

[1, 3, 5, 15, 53, 159, 179, 265, 537, 569, 795, 895, 1707, 2685, 2845, 8535, 9487, 28461, 30157, 47435, 90471, 101851, 142305, 150785, 305553, 452355, 509255, 1527765, 5398103, 16194309, 26990515, 80971545]

約数ペア:

[(1, 80971545), (3, 26990515), (5, 16194309), (15, 5398103), (53, 1527765), (159, 509255), (179, 452355), (265, 305553), (537, 150785), (569, 142305), (795, 101851), (895, 90471), (1707, 47435), (2685, 30157), (2845, 28461), (8535, 9487)]