28032147

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{947}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 49690368

約数和(自身を除く): 21658221

約数列:

[1, 3, 9, 11, 13, 23, 33, 39, 69, 99, 117, 143, 207, 253, 299, 429, 759, 897, 947, 1287, 2277, 2691, 2841, 3289, 8523, 9867, 10417, 12311, 21781, 29601, 31251, 36933, 65343, 93753, 110799, 135421, 196029, 239591, 283153, 406263, 718773, 849459, 1218789, 2156319, 2548377, 3114683, 9344049, 28032147]

約数ペア:

[(1, 28032147), (3, 9344049), (9, 3114683), (11, 2548377), (13, 2156319), (23, 1218789), (33, 849459), (39, 718773), (69, 406263), (99, 283153), (117, 239591), (143, 196029), (207, 135421), (253, 110799), (299, 93753), (429, 65343), (759, 36933), (897, 31251), (947, 29601), (1287, 21781), (2277, 12311), (2691, 10417), (2841, 9867), (3289, 8523)]