28253949

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4229}}^1$

素因数の和:4380

約数の個数: 16

約数和(自身を含む): 40201920

約数和(自身を除く): 11947971

約数列:

[1, 3, 17, 51, 131, 393, 2227, 4229, 6681, 12687, 71893, 215679, 553999, 1661997, 9417983, 28253949]

約数ペア:

[(1, 28253949), (3, 9417983), (17, 1661997), (51, 553999), (131, 215679), (393, 71893), (2227, 12687), (4229, 6681)]