28993347

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 36

約数和(自身を含む): 45401616

約数和(自身を除く): 16408269

約数列:

[1, 3, 9, 17, 51, 71, 153, 157, 213, 289, 471, 639, 867, 1207, 1413, 2601, 2669, 3621, 8007, 10863, 11147, 20519, 24021, 33441, 45373, 61557, 100323, 136119, 184671, 189499, 408357, 568497, 1705491, 3221483, 9664449, 28993347]

約数ペア:

[(1, 28993347), (3, 9664449), (9, 3221483), (17, 1705491), (51, 568497), (71, 408357), (153, 189499), (157, 184671), (213, 136119), (289, 100323), (471, 61557), (639, 45373), (867, 33441), (1207, 24021), (1413, 20519), (2601, 11147), (2669, 10863), (3621, 8007)]