28988475

素因数分解:

$3^1\times 5^2\times {\mathrm{307}}^1\times {\mathrm{1259}}^1$

素因数の和:1579

約数の個数: 24

約数和(自身を含む): 48121920

約数和(自身を除く): 19133445

約数列:

[1, 3, 5, 15, 25, 75, 307, 921, 1259, 1535, 3777, 4605, 6295, 7675, 18885, 23025, 31475, 94425, 386513, 1159539, 1932565, 5797695, 9662825, 28988475]

約数ペア:

[(1, 28988475), (3, 9662825), (5, 5797695), (15, 1932565), (25, 1159539), (75, 386513), (307, 94425), (921, 31475), (1259, 23025), (1535, 18885), (3777, 7675), (4605, 6295)]