81424155

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{3079}}^1$

素因数の和:3171

約数の個数: 32

約数和(自身を含む): 136604160

約数和(自身を除く): 55180005

約数列:

[1, 3, 5, 15, 41, 43, 123, 129, 205, 215, 615, 645, 1763, 3079, 5289, 8815, 9237, 15395, 26445, 46185, 126239, 132397, 378717, 397191, 631195, 661985, 1893585, 1985955, 5428277, 16284831, 27141385, 81424155]

約数ペア:

[(1, 81424155), (3, 27141385), (5, 16284831), (15, 5428277), (41, 1985955), (43, 1893585), (123, 661985), (129, 631195), (205, 397191), (215, 378717), (615, 132397), (645, 126239), (1763, 46185), (3079, 26445), (5289, 15395), (8815, 9237)]