7771491

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3163}}^1$

素因数の和:3192

約数の個数: 32

約数和(自身を含む): 14174720

約数和(自身を除く): 6403229

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 3163, 9489, 22141, 28467, 41119, 66423, 85401, 123357, 199269, 287833, 370071, 597807, 863499, 1110213, 2590497, 7771491]

約数ペア:

[(1, 7771491), (3, 2590497), (7, 1110213), (9, 863499), (13, 597807), (21, 370071), (27, 287833), (39, 199269), (63, 123357), (91, 85401), (117, 66423), (189, 41119), (273, 28467), (351, 22141), (819, 9489), (2457, 3163)]