28180407

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{13477}}^1$

素因数の和:13538

約数の個数: 16

約数和(自身を含む): 40757472

約数和(自身を除く): 12577065

約数列:

[1, 3, 17, 41, 51, 123, 697, 2091, 13477, 40431, 229109, 552557, 687327, 1657671, 9393469, 28180407]

約数ペア:

[(1, 28180407), (3, 9393469), (17, 1657671), (41, 687327), (51, 552557), (123, 229109), (697, 40431), (2091, 13477)]