81178605

素因数分解:

$3^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{883}}^1$

素因数の和:1127

約数の個数: 40

約数和(自身を含む): 146326752

約数和(自身を除く): 65148147

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 227, 405, 681, 883, 1135, 2043, 2649, 3405, 4415, 6129, 7947, 10215, 13245, 18387, 23841, 30645, 39735, 71523, 91935, 119205, 200441, 357615, 601323, 1002205, 1803969, 3006615, 5411907, 9019845, 16235721, 27059535, 81178605]

約数ペア:

[(1, 81178605), (3, 27059535), (5, 16235721), (9, 9019845), (15, 5411907), (27, 3006615), (45, 1803969), (81, 1002205), (135, 601323), (227, 357615), (405, 200441), (681, 119205), (883, 91935), (1135, 71523), (2043, 39735), (2649, 30645), (3405, 23841), (4415, 18387), (6129, 13245), (7947, 10215)]