13216329

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1303}}^1$

素因数の和:1346

約数の個数: 36

約数和(自身を含む): 23190336

約数和(自身を除く): 9974007

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1303, 1449, 3381, 3909, 9121, 10143, 11727, 27363, 29969, 63847, 82089, 89907, 191541, 209783, 269721, 574623, 629349, 1468481, 1888047, 4405443, 13216329]

約数ペア:

[(1, 13216329), (3, 4405443), (7, 1888047), (9, 1468481), (21, 629349), (23, 574623), (49, 269721), (63, 209783), (69, 191541), (147, 89907), (161, 82089), (207, 63847), (441, 29969), (483, 27363), (1127, 11727), (1303, 10143), (1449, 9121), (3381, 3909)]