16718247

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 30139200

約数和(自身を除く): 13420953

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 137, 149, 273, 411, 447, 819, 959, 1043, 1233, 1341, 1781, 1937, 2877, 3129, 5343, 5811, 8631, 9387, 12467, 13559, 16029, 17433, 20413, 37401, 40677, 61239, 112203, 122031, 142891, 183717, 265369, 428673, 796107, 1286019, 1857583, 2388321, 5572749, 16718247]

約数ペア:

[(1, 16718247), (3, 5572749), (7, 2388321), (9, 1857583), (13, 1286019), (21, 796107), (39, 428673), (63, 265369), (91, 183717), (117, 142891), (137, 122031), (149, 112203), (273, 61239), (411, 40677), (447, 37401), (819, 20413), (959, 17433), (1043, 16029), (1233, 13559), (1341, 12467), (1781, 9387), (1937, 8631), (2877, 5811), (3129, 5343)]