213973347

素因数分解:

$3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{9041}}^1$

素因数の和:9088

約数の個数: 32

約数和(自身を含む): 347212800

約数和(自身を除く): 133239453

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 343, 483, 1029, 1127, 3381, 7889, 9041, 23667, 27123, 63287, 189861, 207943, 443009, 623829, 1329027, 1455601, 3101063, 4366803, 9303189, 10189207, 30567621, 71324449, 213973347]

約数ペア:

[(1, 213973347), (3, 71324449), (7, 30567621), (21, 10189207), (23, 9303189), (49, 4366803), (69, 3101063), (147, 1455601), (161, 1329027), (343, 623829), (483, 443009), (1029, 207943), (1127, 189861), (3381, 63287), (7889, 27123), (9041, 23667)]