186921

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:82

約数の個数: 32

約数和(自身を含む): 337920

約数和(自身を除く): 150999

約数列:

[1, 3, 7, 9, 21, 23, 27, 43, 63, 69, 129, 161, 189, 207, 301, 387, 483, 621, 903, 989, 1161, 1449, 2709, 2967, 4347, 6923, 8127, 8901, 20769, 26703, 62307, 186921]

約数ペア:

[(1, 186921), (3, 62307), (7, 26703), (9, 20769), (21, 8901), (23, 8127), (27, 6923), (43, 4347), (63, 2967), (69, 2709), (129, 1449), (161, 1161), (189, 989), (207, 903), (301, 621), (387, 483)]