28587273

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1801}}^1$

素因数の和:1865

約数の個数: 32

約数和(自身を含む): 46015872

約数和(自身を除く): 17428599

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1221, 1443, 1801, 5291, 5403, 15873, 19811, 23413, 59433, 66637, 70239, 199911, 257543, 733007, 772629, 866281, 2199021, 2598843, 9529091, 28587273]

約数ペア:

[(1, 28587273), (3, 9529091), (11, 2598843), (13, 2199021), (33, 866281), (37, 772629), (39, 733007), (111, 257543), (143, 199911), (407, 70239), (429, 66637), (481, 59433), (1221, 23413), (1443, 19811), (1801, 15873), (5291, 5403)]