28100871

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1223}}^1$

素因数の和:1292

約数の個数: 32

約数和(自身を含む): 44651520

約数和(自身を除く): 16550649

約数列:

[1, 3, 9, 23, 27, 37, 69, 111, 207, 333, 621, 851, 999, 1223, 2553, 3669, 7659, 11007, 22977, 28129, 33021, 45251, 84387, 135753, 253161, 407259, 759483, 1040773, 1221777, 3122319, 9366957, 28100871]

約数ペア:

[(1, 28100871), (3, 9366957), (9, 3122319), (23, 1221777), (27, 1040773), (37, 759483), (69, 407259), (111, 253161), (207, 135753), (333, 84387), (621, 45251), (851, 33021), (999, 28129), (1223, 22977), (2553, 11007), (3669, 7659)]