197127

素因数分解:

$3^3\times 7^2\times {\mathrm{149}}^1$

素因数の和:172

約数の個数: 24

約数和(自身を含む): 342000

約数和(自身を除く): 144873

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 149, 189, 441, 447, 1043, 1323, 1341, 3129, 4023, 7301, 9387, 21903, 28161, 65709, 197127]

約数ペア:

[(1, 197127), (3, 65709), (7, 28161), (9, 21903), (21, 9387), (27, 7301), (49, 4023), (63, 3129), (147, 1341), (149, 1323), (189, 1043), (441, 447)]