7222257

素因数分解:

$3^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 12804480

約数和(自身を除く): 5582223

約数列:

[1, 3, 7, 9, 21, 27, 49, 53, 63, 103, 147, 159, 189, 309, 371, 441, 477, 721, 927, 1113, 1323, 1431, 2163, 2597, 2781, 3339, 5047, 5459, 6489, 7791, 10017, 15141, 16377, 19467, 23373, 38213, 45423, 49131, 70119, 114639, 136269, 147393, 267491, 343917, 802473, 1031751, 2407419, 7222257]

約数ペア:

[(1, 7222257), (3, 2407419), (7, 1031751), (9, 802473), (21, 343917), (27, 267491), (49, 147393), (53, 136269), (63, 114639), (103, 70119), (147, 49131), (159, 45423), (189, 38213), (309, 23373), (371, 19467), (441, 16377), (477, 15141), (721, 10017), (927, 7791), (1113, 6489), (1323, 5459), (1431, 5047), (2163, 3339), (2597, 2781)]