455712321

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{491}}^1\times {\mathrm{857}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 643335264

約数和(自身を除く): 187622943

約数列:

[1, 3, 19, 57, 361, 491, 857, 1083, 1473, 2571, 9329, 16283, 27987, 48849, 177251, 309377, 420787, 531753, 928131, 1262361, 7994953, 23984859, 151904107, 455712321]

約数ペア:

[(1, 455712321), (3, 151904107), (19, 23984859), (57, 7994953), (361, 1262361), (491, 928131), (857, 531753), (1083, 420787), (1473, 309377), (2571, 177251), (9329, 48849), (16283, 27987)]