28538265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1423}}^1$

素因数の和:1629

約数の個数: 32

約数和(自身を含む): 52494336

約数和(自身を除く): 23956071

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 191, 573, 955, 1337, 1423, 2865, 4011, 4269, 6685, 7115, 9961, 20055, 21345, 29883, 49805, 149415, 271793, 815379, 1358965, 1902551, 4076895, 5707653, 9512755, 28538265]

約数ペア:

[(1, 28538265), (3, 9512755), (5, 5707653), (7, 4076895), (15, 1902551), (21, 1358965), (35, 815379), (105, 271793), (191, 149415), (573, 49805), (955, 29883), (1337, 21345), (1423, 20055), (2865, 9961), (4011, 7115), (4269, 6685)]