28012347

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{887}}^1$

素因数の和:944

約数の個数: 36

約数和(自身を含む): 46060560

約数和(自身を除く): 18048213

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 121, 261, 319, 363, 887, 957, 1089, 2661, 2871, 3509, 7983, 9757, 10527, 25723, 29271, 31581, 77169, 87813, 107327, 231507, 282953, 321981, 848859, 965943, 2546577, 3112483, 9337449, 28012347]

約数ペア:

[(1, 28012347), (3, 9337449), (9, 3112483), (11, 2546577), (29, 965943), (33, 848859), (87, 321981), (99, 282953), (121, 231507), (261, 107327), (319, 87813), (363, 77169), (887, 31581), (957, 29271), (1089, 25723), (2661, 10527), (2871, 9757), (3509, 7983)]