28416171

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{2111}}^1$

素因数の和:2762

約数の個数: 16

約数和(自身を含む): 43388928

約数和(自身を除く): 14972757

約数列:

[1, 3, 7, 21, 641, 1923, 2111, 4487, 6333, 13461, 14777, 44331, 1353151, 4059453, 9472057, 28416171]

約数ペア:

[(1, 28416171), (3, 9472057), (7, 4059453), (21, 1353151), (641, 44331), (1923, 14777), (2111, 13461), (4487, 6333)]