290647539

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{354881}}^1$

素因数の和:354907

約数の個数: 24

約数和(自身を含む): 516708192

約数和(自身を除く): 226060653

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 354881, 1064643, 2484167, 3193929, 4613453, 7452501, 13840359, 22357503, 32294171, 41521077, 96882513, 290647539]

約数ペア:

[(1, 290647539), (3, 96882513), (7, 41521077), (9, 32294171), (13, 22357503), (21, 13840359), (39, 7452501), (63, 4613453), (91, 3193929), (117, 2484167), (273, 1064643), (819, 354881)]