61637877

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 106108288

約数和(自身を除く): 44470411

約数列:

[1, 3, 7, 9, 21, 43, 61, 63, 129, 183, 301, 373, 387, 427, 549, 903, 1119, 1281, 2611, 2623, 2709, 3357, 3843, 7833, 7869, 16039, 18361, 22753, 23499, 23607, 48117, 55083, 68259, 112273, 144351, 159271, 165249, 204777, 336819, 477813, 978379, 1010457, 1433439, 2935137, 6848653, 8805411, 20545959, 61637877]

約数ペア:

[(1, 61637877), (3, 20545959), (7, 8805411), (9, 6848653), (21, 2935137), (43, 1433439), (61, 1010457), (63, 978379), (129, 477813), (183, 336819), (301, 204777), (373, 165249), (387, 159271), (427, 144351), (549, 112273), (903, 68259), (1119, 55083), (1281, 48117), (2611, 23607), (2623, 23499), (2709, 22753), (3357, 18361), (3843, 16039), (7833, 7869)]