78687693

素因数分解:

$3^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1297}}^1$

素因数の和:1423

約数の個数: 40

約数和(自身を含む): 135698112

約数和(自身を除く): 57010419

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 107, 189, 321, 567, 749, 963, 1297, 2247, 2889, 3891, 6741, 8667, 9079, 11673, 20223, 27237, 35019, 60669, 81711, 105057, 138779, 245133, 416337, 735399, 971453, 1249011, 2914359, 3747033, 8743077, 11241099, 26229231, 78687693]

約数ペア:

[(1, 78687693), (3, 26229231), (7, 11241099), (9, 8743077), (21, 3747033), (27, 2914359), (63, 1249011), (81, 971453), (107, 735399), (189, 416337), (321, 245133), (567, 138779), (749, 105057), (963, 81711), (1297, 60669), (2247, 35019), (2889, 27237), (3891, 20223), (6741, 11673), (8667, 9079)]