28301679

素因数分解:

$3^2\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1979}}^1$

素因数の和:2219

約数の個数: 24

約数和(自身を含む): 46949760

約数和(自身を除く): 18648081

約数列:

[1, 3, 7, 9, 21, 63, 227, 681, 1589, 1979, 2043, 4767, 5937, 13853, 14301, 17811, 41559, 124677, 449233, 1347699, 3144631, 4043097, 9433893, 28301679]

約数ペア:

[(1, 28301679), (3, 9433893), (7, 4043097), (9, 3144631), (21, 1347699), (63, 449233), (227, 124677), (681, 41559), (1589, 17811), (1979, 14301), (2043, 13853), (4767, 5937)]