78572079

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2411}}^1$

素因数の和:2508

約数の個数: 32

約数和(自身を含む): 125038080

約数和(自身を除く): 46466001

約数列:

[1, 3, 9, 17, 27, 51, 71, 153, 213, 459, 639, 1207, 1917, 2411, 3621, 7233, 10863, 21699, 32589, 40987, 65097, 122961, 171181, 368883, 513543, 1106649, 1540629, 2910077, 4621887, 8730231, 26190693, 78572079]

約数ペア:

[(1, 78572079), (3, 26190693), (9, 8730231), (17, 4621887), (27, 2910077), (51, 1540629), (71, 1106649), (153, 513543), (213, 368883), (459, 171181), (639, 122961), (1207, 65097), (1917, 40987), (2411, 32589), (3621, 21699), (7233, 10863)]