80715825

素因数分解:

$3^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{607}}^1$

素因数の和:823

約数の個数: 48

約数和(自身を含む): 149276160

約数和(自身を除く): 68560335

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 197, 225, 591, 607, 675, 985, 1773, 1821, 2955, 3035, 4925, 5319, 5463, 8865, 9105, 14775, 15175, 16389, 26595, 27315, 44325, 45525, 81945, 119579, 132975, 136575, 358737, 409725, 597895, 1076211, 1793685, 2989475, 3228633, 5381055, 8968425, 16143165, 26905275, 80715825]

約数ペア:

[(1, 80715825), (3, 26905275), (5, 16143165), (9, 8968425), (15, 5381055), (25, 3228633), (27, 2989475), (45, 1793685), (75, 1076211), (135, 597895), (197, 409725), (225, 358737), (591, 136575), (607, 132975), (675, 119579), (985, 81945), (1773, 45525), (1821, 44325), (2955, 27315), (3035, 26595), (4925, 16389), (5319, 15175), (5463, 14775), (8865, 9105)]