15305031

素因数分解:

$3^4\times 7^1\times {\mathrm{26993}}^1$

素因数の和:27012

約数の個数: 20

約数和(自身を含む): 26130192

約数和(自身を除く): 10825161

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 26993, 80979, 188951, 242937, 566853, 728811, 1700559, 2186433, 5101677, 15305031]

約数ペア:

[(1, 15305031), (3, 5101677), (7, 2186433), (9, 1700559), (21, 728811), (27, 566853), (63, 242937), (81, 188951), (189, 80979), (567, 26993)]