28233819

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{7523}}^1$

素因数の和:7671

約数の個数: 16

約数和(自身を含む): 42134400

約数和(自身を除く): 13900581

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 7523, 22569, 67707, 203121, 1045697, 3137091, 9411273, 28233819]

約数ペア:

[(1, 28233819), (3, 9411273), (9, 3137091), (27, 1045697), (139, 203121), (417, 67707), (1251, 22569), (3753, 7523)]