28553925

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{16553}}^1$

素因数の和:16589

約数の個数: 24

約数和(自身を含む): 49264704

約数和(自身を除く): 20710779

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 16553, 49659, 82765, 248295, 380719, 413825, 1142157, 1241475, 1903595, 5710785, 9517975, 28553925]

約数ペア:

[(1, 28553925), (3, 9517975), (5, 5710785), (15, 1903595), (23, 1241475), (25, 1142157), (69, 413825), (75, 380719), (115, 248295), (345, 82765), (575, 49659), (1725, 16553)]