211716771

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{1931}}^1$

素因数の和:2191

約数の個数: 32

約数和(自身を含む): 338300928

約数和(自身を除く): 126584157

約数列:

[1, 3, 7, 21, 23, 69, 161, 227, 483, 681, 1589, 1931, 4767, 5221, 5793, 13517, 15663, 36547, 40551, 44413, 109641, 133239, 310891, 438337, 932673, 1315011, 3068359, 9205077, 10081751, 30245253, 70572257, 211716771]

約数ペア:

[(1, 211716771), (3, 70572257), (7, 30245253), (21, 10081751), (23, 9205077), (69, 3068359), (161, 1315011), (227, 932673), (483, 438337), (681, 310891), (1589, 133239), (1931, 109641), (4767, 44413), (5221, 40551), (5793, 36547), (13517, 15663)]