387841281

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{400249}}^1$

素因数の和:400288

約数の個数: 16

約数和(自身を含む): 576360000

約数和(自身を除く): 188518719

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 400249, 1200747, 6804233, 7604731, 20412699, 22814193, 129280427, 387841281]

約数ペア:

[(1, 387841281), (3, 129280427), (17, 22814193), (19, 20412699), (51, 7604731), (57, 6804233), (323, 1200747), (969, 400249)]