81209484

素因数分解:

$2^2\times 3^2\times {\mathrm{113}}^1\times {\mathrm{19963}}^1$

素因数の和:20086

約数の個数: 36

約数和(自身を含む): 207106536

約数和(自身を除く): 125897052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 113, 226, 339, 452, 678, 1017, 1356, 2034, 4068, 19963, 39926, 59889, 79852, 119778, 179667, 239556, 359334, 718668, 2255819, 4511638, 6767457, 9023276, 13534914, 20302371, 27069828, 40604742, 81209484]

約数ペア:

[(1, 81209484), (2, 40604742), (3, 27069828), (4, 20302371), (6, 13534914), (9, 9023276), (12, 6767457), (18, 4511638), (36, 2255819), (113, 718668), (226, 359334), (339, 239556), (452, 179667), (678, 119778), (1017, 79852), (1356, 59889), (2034, 39926), (4068, 19963)]