263151369

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1439}}^1$

素因数の和:1982

約数の個数: 32

約数和(自身を含む): 420940800

約数和(自身を除く): 157789431

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 521, 1439, 1563, 4317, 4689, 6773, 12951, 14067, 18707, 20319, 38853, 56121, 60957, 168363, 182871, 505089, 749719, 2249157, 6747471, 9746347, 20242413, 29239041, 87717123, 263151369]

約数ペア:

[(1, 263151369), (3, 87717123), (9, 29239041), (13, 20242413), (27, 9746347), (39, 6747471), (117, 2249157), (351, 749719), (521, 505089), (1439, 182871), (1563, 168363), (4317, 60957), (4689, 56121), (6773, 38853), (12951, 20319), (14067, 18707)]