206274159

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251861}}^1$

素因数の和:251887

約数の個数: 24

約数和(自身を含む): 366711072

約数和(自身を除く): 160436913

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 251861, 755583, 1763027, 2266749, 3274193, 5289081, 9822579, 15867243, 22919351, 29467737, 68758053, 206274159]

約数ペア:

[(1, 206274159), (3, 68758053), (7, 29467737), (9, 22919351), (13, 15867243), (21, 9822579), (39, 5289081), (63, 3274193), (91, 2266749), (117, 1763027), (273, 755583), (819, 251861)]