81279126

素因数分解:

$2^1\times 3^6\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:648

約数の個数: 56

約数和(自身を含む): 184856904

約数和(自身を除く): 103577778

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 107, 162, 214, 243, 321, 486, 521, 642, 729, 963, 1042, 1458, 1563, 1926, 2889, 3126, 4689, 5778, 8667, 9378, 14067, 17334, 26001, 28134, 42201, 52002, 55747, 78003, 84402, 111494, 126603, 156006, 167241, 253206, 334482, 379809, 501723, 759618, 1003446, 1505169, 3010338, 4515507, 9031014, 13546521, 27093042, 40639563, 81279126]

約数ペア:

[(1, 81279126), (2, 40639563), (3, 27093042), (6, 13546521), (9, 9031014), (18, 4515507), (27, 3010338), (54, 1505169), (81, 1003446), (107, 759618), (162, 501723), (214, 379809), (243, 334482), (321, 253206), (486, 167241), (521, 156006), (642, 126603), (729, 111494), (963, 84402), (1042, 78003), (1458, 55747), (1563, 52002), (1926, 42201), (2889, 28134), (3126, 26001), (4689, 17334), (5778, 14067), (8667, 9378)]