7643727

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:110

約数の個数: 80

約数和(自身を含む): 15124032

約数和(自身を除く): 7480305

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 61, 63, 81, 91, 117, 119, 153, 183, 189, 221, 273, 351, 357, 427, 459, 549, 567, 663, 793, 819, 1037, 1053, 1071, 1281, 1377, 1547, 1647, 1989, 2379, 2457, 3111, 3213, 3843, 4641, 4941, 5551, 5967, 7137, 7259, 7371, 9333, 9639, 11529, 13481, 13923, 16653, 17901, 21411, 21777, 27999, 34587, 40443, 41769, 49959, 64233, 65331, 83997, 94367, 121329, 125307, 149877, 195993, 283101, 363987, 449631, 587979, 849303, 1091961, 2547909, 7643727]

約数ペア:

[(1, 7643727), (3, 2547909), (7, 1091961), (9, 849303), (13, 587979), (17, 449631), (21, 363987), (27, 283101), (39, 195993), (51, 149877), (61, 125307), (63, 121329), (81, 94367), (91, 83997), (117, 65331), (119, 64233), (153, 49959), (183, 41769), (189, 40443), (221, 34587), (273, 27999), (351, 21777), (357, 21411), (427, 17901), (459, 16653), (549, 13923), (567, 13481), (663, 11529), (793, 9639), (819, 9333), (1037, 7371), (1053, 7259), (1071, 7137), (1281, 5967), (1377, 5551), (1547, 4941), (1647, 4641), (1989, 3843), (2379, 3213), (2457, 3111)]