220261707

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{1543}}^1$

素因数の和:1880

約数の個数: 32

約数和(自身を含む): 346844160

約数和(自身を除く): 126582453

約数列:

[1, 3, 9, 17, 27, 51, 153, 311, 459, 933, 1543, 2799, 4629, 5287, 8397, 13887, 15861, 26231, 41661, 47583, 78693, 142749, 236079, 479873, 708237, 1439619, 4318857, 8157841, 12956571, 24473523, 73420569, 220261707]

約数ペア:

[(1, 220261707), (3, 73420569), (9, 24473523), (17, 12956571), (27, 8157841), (51, 4318857), (153, 1439619), (311, 708237), (459, 479873), (933, 236079), (1543, 142749), (2799, 78693), (4629, 47583), (5287, 41661), (8397, 26231), (13887, 15861)]