3871231

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2239}}^1$

素因数の和:2278

約数の個数: 16

約数和(自身を含む): 5017600

約数和(自身を除く): 1146369

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 2239, 15673, 29107, 42541, 203749, 297787, 553033, 3871231]

約数ペア:

[(1, 3871231), (7, 553033), (13, 297787), (19, 203749), (91, 42541), (133, 29107), (247, 15673), (1729, 2239)]