12655377

素因数分解:

$3^2\times 7^2\times {\mathrm{28697}}^1$

素因数の和:28717

約数の個数: 18

約数和(自身を含む): 21265218

約数和(自身を除く): 8609841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 28697, 86091, 200879, 258273, 602637, 1406153, 1807911, 4218459, 12655377]

約数ペア:

[(1, 12655377), (3, 4218459), (7, 1807911), (9, 1406153), (21, 602637), (49, 258273), (63, 200879), (147, 86091), (441, 28697)]