28154373

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 42134400

約数和(自身を除く): 13980027

約数列:

[1, 3, 13, 37, 39, 109, 111, 179, 327, 481, 537, 1417, 1443, 2327, 4033, 4251, 6623, 6981, 12099, 19511, 19869, 52429, 58533, 86099, 157287, 253643, 258297, 721907, 760929, 2165721, 9384791, 28154373]

約数ペア:

[(1, 28154373), (3, 9384791), (13, 2165721), (37, 760929), (39, 721907), (109, 258297), (111, 253643), (179, 157287), (327, 86099), (481, 58533), (537, 52429), (1417, 19869), (1443, 19511), (2327, 12099), (4033, 6981), (4251, 6623)]