81413289

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2137}}^1$

素因数の和:2246

約数の個数: 32

約数和(自身を含む): 129306240

約数和(自身を除く): 47892951

約数列:

[1, 3, 9, 17, 27, 51, 83, 153, 249, 459, 747, 1411, 2137, 2241, 4233, 6411, 12699, 19233, 36329, 38097, 57699, 108987, 177371, 326961, 532113, 980883, 1596339, 3015307, 4789017, 9045921, 27137763, 81413289]

約数ペア:

[(1, 81413289), (3, 27137763), (9, 9045921), (17, 4789017), (27, 3015307), (51, 1596339), (83, 980883), (153, 532113), (249, 326961), (459, 177371), (747, 108987), (1411, 57699), (2137, 38097), (2241, 36329), (4233, 19233), (6411, 12699)]