27427491

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2$

素因数の和:154

約数の個数: 60

約数和(自身を含む): 51267216

約数和(自身を除く): 23839725

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 61, 63, 81, 91, 117, 183, 189, 273, 351, 427, 549, 567, 793, 819, 1053, 1281, 1647, 2379, 2457, 3721, 3843, 4941, 5551, 7137, 7371, 11163, 11529, 16653, 21411, 26047, 33489, 34587, 48373, 49959, 64233, 78141, 100467, 145119, 149877, 234423, 301401, 338611, 435357, 449631, 703269, 1015833, 1306071, 2109807, 3047499, 3918213, 9142497, 27427491]

約数ペア:

[(1, 27427491), (3, 9142497), (7, 3918213), (9, 3047499), (13, 2109807), (21, 1306071), (27, 1015833), (39, 703269), (61, 449631), (63, 435357), (81, 338611), (91, 301401), (117, 234423), (183, 149877), (189, 145119), (273, 100467), (351, 78141), (427, 64233), (549, 49959), (567, 48373), (793, 34587), (819, 33489), (1053, 26047), (1281, 21411), (1647, 16653), (2379, 11529), (2457, 11163), (3721, 7371), (3843, 7137), (4941, 5551)]