64688121

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 102136320

約数和(自身を除く): 37448199

約数列:

[1, 3, 9, 23, 47, 61, 69, 109, 141, 183, 207, 327, 423, 549, 981, 1081, 1403, 2507, 2867, 3243, 4209, 5123, 6649, 7521, 8601, 9729, 12627, 15369, 19947, 22563, 25803, 46107, 59841, 65941, 117829, 152927, 197823, 312503, 353487, 458781, 593469, 937509, 1060461, 1376343, 2812527, 7187569, 21562707, 64688121]

約数ペア:

[(1, 64688121), (3, 21562707), (9, 7187569), (23, 2812527), (47, 1376343), (61, 1060461), (69, 937509), (109, 593469), (141, 458781), (183, 353487), (207, 312503), (327, 197823), (423, 152927), (549, 117829), (981, 65941), (1081, 59841), (1403, 46107), (2507, 25803), (2867, 22563), (3243, 19947), (4209, 15369), (5123, 12627), (6649, 9729), (7521, 8601)]