28890459

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1553}}^1$

素因数の和:1628

約数の個数: 32

約数和(自身を含む): 46992960

約数和(自身を除く): 18102501

約数列:

[1, 3, 9, 13, 27, 39, 53, 117, 159, 351, 477, 689, 1431, 1553, 2067, 4659, 6201, 13977, 18603, 20189, 41931, 60567, 82309, 181701, 246927, 545103, 740781, 1070017, 2222343, 3210051, 9630153, 28890459]

約数ペア:

[(1, 28890459), (3, 9630153), (9, 3210051), (13, 2222343), (27, 1070017), (39, 740781), (53, 545103), (117, 246927), (159, 181701), (351, 82309), (477, 60567), (689, 41931), (1431, 20189), (1553, 18603), (2067, 13977), (4659, 6201)]