28111365

素因数分解:

$3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1423}}^1$

素因数の和:1873

約数の個数: 24

約数和(自身を含む): 48871680

約数和(自身を除く): 20760315

約数列:

[1, 3, 5, 9, 15, 45, 439, 1317, 1423, 2195, 3951, 4269, 6585, 7115, 12807, 19755, 21345, 64035, 624697, 1874091, 3123485, 5622273, 9370455, 28111365]

約数ペア:

[(1, 28111365), (3, 9370455), (5, 5622273), (9, 3123485), (15, 1874091), (45, 624697), (439, 64035), (1317, 21345), (1423, 19755), (2195, 12807), (3951, 7115), (4269, 6585)]