16887843

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1481}}^1$

素因数の和:1675

約数の個数: 24

約数和(自身を含む): 28051296

約数和(自身を除く): 11163453

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1481, 1629, 3801, 4443, 10367, 11403, 13329, 31101, 93303, 268061, 804183, 1876427, 2412549, 5629281, 16887843]

約数ペア:

[(1, 16887843), (3, 5629281), (7, 2412549), (9, 1876427), (21, 804183), (63, 268061), (181, 93303), (543, 31101), (1267, 13329), (1481, 11403), (1629, 10367), (3801, 4443)]