291217407

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{18257}}^1$

素因数の和:18682

約数の個数: 16

約数和(自身を含む): 419203680

約数和(自身を除く): 127986273

約数列:

[1, 3, 13, 39, 409, 1227, 5317, 15951, 18257, 54771, 237341, 712023, 7467113, 22401339, 97072469, 291217407]

約数ペア:

[(1, 291217407), (3, 97072469), (13, 22401339), (39, 7467113), (409, 712023), (1227, 237341), (5317, 54771), (15951, 18257)]