2547909

素因数分解:

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

素因数の和:107

約数の個数: 64

約数和(自身を含む): 4999680

約数和(自身を除く): 2451771

約数列:

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

約数ペア:

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