78327291

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1801}}^1$

素因数の和:1939

約数の個数: 32

約数和(自身を含む): 126860800

約数和(自身を除く): 48533509

約数列:

[1, 3, 7, 19, 21, 57, 109, 133, 327, 399, 763, 1801, 2071, 2289, 5403, 6213, 12607, 14497, 34219, 37821, 43491, 102657, 196309, 239533, 588927, 718599, 1374163, 3729871, 4122489, 11189613, 26109097, 78327291]

約数ペア:

[(1, 78327291), (3, 26109097), (7, 11189613), (19, 4122489), (21, 3729871), (57, 1374163), (109, 718599), (133, 588927), (327, 239533), (399, 196309), (763, 102657), (1801, 43491), (2071, 37821), (2289, 34219), (5403, 14497), (6213, 12607)]