81216765

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{36833}}^1$

素因数の和:36858

約数の個数: 36

約数和(自身を含む): 163763964

約数和(自身を除く): 82547199

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 36833, 110499, 184165, 257831, 331497, 552495, 773493, 1289155, 1657485, 1804817, 2320479, 3867465, 5414451, 9024085, 11602395, 16243353, 27072255, 81216765]

約数ペア:

[(1, 81216765), (3, 27072255), (5, 16243353), (7, 11602395), (9, 9024085), (15, 5414451), (21, 3867465), (35, 2320479), (45, 1804817), (49, 1657485), (63, 1289155), (105, 773493), (147, 552495), (245, 331497), (315, 257831), (441, 184165), (735, 110499), (2205, 36833)]