28612143

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3221}}^1$

素因数の和:3284

約数の個数: 32

約数和(自身を含む): 49489920

約数和(自身を除く): 20877777

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 3221, 8883, 9663, 22547, 28989, 67641, 86967, 151387, 202923, 454161, 608769, 1059709, 1362483, 3179127, 4087449, 9537381, 28612143]

約数ペア:

[(1, 28612143), (3, 9537381), (7, 4087449), (9, 3179127), (21, 1362483), (27, 1059709), (47, 608769), (63, 454161), (141, 202923), (189, 151387), (329, 86967), (423, 67641), (987, 28989), (1269, 22547), (2961, 9663), (3221, 8883)]