1228689

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1$

素因数の和:227

約数の個数: 40

約数和(自身を含む): 2299968

約数和(自身を除く): 1071279

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 197, 231, 297, 567, 591, 693, 891, 1379, 1773, 2079, 2167, 4137, 5319, 6237, 6501, 12411, 15169, 15957, 19503, 37233, 45507, 58509, 111699, 136521, 175527, 409563, 1228689]

約数ペア:

[(1, 1228689), (3, 409563), (7, 175527), (9, 136521), (11, 111699), (21, 58509), (27, 45507), (33, 37233), (63, 19503), (77, 15957), (81, 15169), (99, 12411), (189, 6501), (197, 6237), (231, 5319), (297, 4137), (567, 2167), (591, 2079), (693, 1773), (891, 1379)]