28214169

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 14087271

約数列:

[1, 3, 17, 23, 51, 67, 69, 201, 359, 391, 1077, 1139, 1173, 1541, 3417, 4623, 6103, 8257, 18309, 24053, 24771, 26197, 72159, 78591, 140369, 408901, 421107, 553219, 1226703, 1659657, 9404723, 28214169]

約数ペア:

[(1, 28214169), (3, 9404723), (17, 1659657), (23, 1226703), (51, 553219), (67, 421107), (69, 408901), (201, 140369), (359, 78591), (391, 72159), (1077, 26197), (1139, 24771), (1173, 24053), (1541, 18309), (3417, 8257), (4623, 6103)]