28400673

素因数分解:

$3^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{2657}}^1$

素因数の和:3176

約数の個数: 16

約数和(自身を含む): 43378560

約数和(自身を除く): 14977887

約数列:

[1, 3, 7, 21, 509, 1527, 2657, 3563, 7971, 10689, 18599, 55797, 1352413, 4057239, 9466891, 28400673]

約数ペア:

[(1, 28400673), (3, 9466891), (7, 4057239), (21, 1352413), (509, 55797), (1527, 18599), (2657, 10689), (3563, 7971)]