16956261

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1487}}^1$

素因数の和:1681

約数の個数: 24

約数和(自身を含む): 28164864

約数和(自身を除く): 11208603

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1487, 1629, 3801, 4461, 10409, 11403, 13383, 31227, 93681, 269147, 807441, 1884029, 2422323, 5652087, 16956261]

約数ペア:

[(1, 16956261), (3, 5652087), (7, 2422323), (9, 1884029), (21, 807441), (63, 269147), (181, 93681), (543, 31227), (1267, 13383), (1487, 11403), (1629, 10409), (3801, 4461)]