221566181787

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{4513}}^1\times {\mathrm{106961}}^1$

素因数の和:111500

約数の個数: 32

約数和(自身を含む): 347635056960

約数和(自身を除く): 126068875173

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 4513, 13539, 40617, 76721, 106961, 121851, 230163, 320883, 690489, 962649, 1818337, 2071467, 2887947, 5455011, 16365033, 49095099, 482714993, 1448144979, 4344434937, 8206154881, 13033304811, 24618464643, 73855393929, 221566181787]

約数ペア:

[(1, 221566181787), (3, 73855393929), (9, 24618464643), (17, 13033304811), (27, 8206154881), (51, 4344434937), (153, 1448144979), (459, 482714993), (4513, 49095099), (13539, 16365033), (40617, 5455011), (76721, 2887947), (106961, 2071467), (121851, 1818337), (230163, 962649), (320883, 690489)]