13072689

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{3517}}^1$

素因数の和:3589

約数の個数: 24

約数和(自身を含む): 21952320

約数和(自身を除く): 8879631

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3517, 3717, 10551, 24619, 31653, 73857, 207503, 221571, 622509, 1452521, 1867527, 4357563, 13072689]

約数ペア:

[(1, 13072689), (3, 4357563), (7, 1867527), (9, 1452521), (21, 622509), (59, 221571), (63, 207503), (177, 73857), (413, 31653), (531, 24619), (1239, 10551), (3517, 3717)]