81974754

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{7127}}^1$

素因数の和:7212

約数の個数: 40

約数和(自身を含む): 186297408

約数和(自身を除く): 104322654

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1917, 3834, 5751, 7127, 11502, 14254, 21381, 42762, 64143, 128286, 192429, 384858, 506017, 577287, 1012034, 1154574, 1518051, 3036102, 4554153, 9108306, 13662459, 27324918, 40987377, 81974754]

約数ペア:

[(1, 81974754), (2, 40987377), (3, 27324918), (6, 13662459), (9, 9108306), (18, 4554153), (27, 3036102), (54, 1518051), (71, 1154574), (81, 1012034), (142, 577287), (162, 506017), (213, 384858), (426, 192429), (639, 128286), (1278, 64143), (1917, 42762), (3834, 21381), (5751, 14254), (7127, 11502)]