87286291287

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1831}}^1\times {\mathrm{1901}}^1$

素因数の和:4391

約数の個数: 32

約数和(自身を含む): 125663709696

約数和(自身を除く): 38377418409

約数列:

[1, 3, 13, 39, 643, 1831, 1901, 1929, 5493, 5703, 8359, 23803, 24713, 25077, 71409, 74139, 1177333, 1222343, 3480731, 3531999, 3667029, 10442193, 15305329, 15890459, 45249503, 45915987, 47671377, 135748509, 2238110033, 6714330099, 29095430429, 87286291287]

約数ペア:

[(1, 87286291287), (3, 29095430429), (13, 6714330099), (39, 2238110033), (643, 135748509), (1831, 47671377), (1901, 45915987), (1929, 45249503), (5493, 15890459), (5703, 15305329), (8359, 10442193), (23803, 3667029), (24713, 3531999), (25077, 3480731), (71409, 1222343), (74139, 1177333)]