30619239

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 48416256

約数和(自身を除く): 17797017

約数列:

[1, 3, 7, 21, 37, 111, 157, 251, 259, 471, 753, 777, 1099, 1757, 3297, 5271, 5809, 9287, 17427, 27861, 39407, 40663, 65009, 118221, 121989, 195027, 275849, 827547, 1458059, 4374177, 10206413, 30619239]

約数ペア:

[(1, 30619239), (3, 10206413), (7, 4374177), (21, 1458059), (37, 827547), (111, 275849), (157, 195027), (251, 121989), (259, 118221), (471, 65009), (753, 40663), (777, 39407), (1099, 27861), (1757, 17427), (3297, 9287), (5271, 5809)]