28255383

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 46309536

約数和(自身を除く): 18054153

約数列:

[1, 3, 9, 13, 37, 39, 61, 107, 111, 117, 183, 321, 333, 481, 549, 793, 963, 1391, 1443, 2257, 2379, 3959, 4173, 4329, 6527, 6771, 7137, 11877, 12519, 19581, 20313, 29341, 35631, 51467, 58743, 84851, 88023, 154401, 241499, 254553, 264069, 463203, 724497, 763659, 2173491, 3139487, 9418461, 28255383]

約数ペア:

[(1, 28255383), (3, 9418461), (9, 3139487), (13, 2173491), (37, 763659), (39, 724497), (61, 463203), (107, 264069), (111, 254553), (117, 241499), (183, 154401), (321, 88023), (333, 84851), (481, 58743), (549, 51467), (793, 35631), (963, 29341), (1391, 20313), (1443, 19581), (2257, 12519), (2379, 11877), (3959, 7137), (4173, 6771), (4329, 6527)]