28539399

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{22279}}^1$

素因数の和:22350

約数の個数: 16

約数和(自身を含む): 44203520

約数和(自身を除く): 15664121

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 22279, 66837, 155953, 467859, 1359019, 4077057, 9513133, 28539399]

約数ペア:

[(1, 28539399), (3, 9513133), (7, 4077057), (21, 1359019), (61, 467859), (183, 155953), (427, 66837), (1281, 22279)]