68213439

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1163}}^1$

素因数の和:1209

約数の個数: 48

約数和(自身を含む): 121056000

約数和(自身を除く): 52842561

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 343, 399, 441, 931, 1029, 1163, 1197, 2793, 3087, 3489, 6517, 8141, 8379, 10467, 19551, 22097, 24423, 56987, 58653, 66291, 73269, 154679, 170961, 198873, 398909, 464037, 512883, 1082753, 1196727, 1392111, 3248259, 3590181, 7579271, 9744777, 22737813, 68213439]

約数ペア:

[(1, 68213439), (3, 22737813), (7, 9744777), (9, 7579271), (19, 3590181), (21, 3248259), (49, 1392111), (57, 1196727), (63, 1082753), (133, 512883), (147, 464037), (171, 398909), (343, 198873), (399, 170961), (441, 154679), (931, 73269), (1029, 66291), (1163, 58653), (1197, 56987), (2793, 24423), (3087, 22097), (3489, 19551), (6517, 10467), (8141, 8379)]