64778319

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 99187200

約数和(自身を除く): 34408881

約数列:

[1, 3, 9, 27, 41, 123, 163, 359, 369, 489, 1077, 1107, 1467, 3231, 4401, 6683, 9693, 14719, 20049, 44157, 58517, 60147, 132471, 175551, 180441, 397413, 526653, 1579959, 2399197, 7197591, 21592773, 64778319]

約数ペア:

[(1, 64778319), (3, 21592773), (9, 7197591), (27, 2399197), (41, 1579959), (123, 526653), (163, 397413), (359, 180441), (369, 175551), (489, 132471), (1077, 60147), (1107, 58517), (1467, 44157), (3231, 20049), (4401, 14719), (6683, 9693)]