66809043

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 122664960

約数和(自身を除く): 55855917

約数列:

[1, 3, 7, 9, 21, 23, 27, 47, 63, 69, 81, 109, 141, 161, 189, 207, 327, 329, 423, 483, 567, 621, 763, 981, 987, 1081, 1269, 1449, 1863, 2289, 2507, 2943, 2961, 3243, 3807, 4347, 5123, 6867, 7521, 7567, 8829, 8883, 9729, 13041, 15369, 17549, 20601, 22563, 22701, 26649, 29187, 35861, 46107, 52647, 61803, 67689, 68103, 87561, 107583, 117829, 138321, 157941, 203067, 204309, 322749, 353487, 414963, 473823, 612927, 824803, 968247, 1060461, 1421469, 2474409, 2904741, 3181383, 7423227, 9544149, 22269681, 66809043]

約数ペア:

[(1, 66809043), (3, 22269681), (7, 9544149), (9, 7423227), (21, 3181383), (23, 2904741), (27, 2474409), (47, 1421469), (63, 1060461), (69, 968247), (81, 824803), (109, 612927), (141, 473823), (161, 414963), (189, 353487), (207, 322749), (327, 204309), (329, 203067), (423, 157941), (483, 138321), (567, 117829), (621, 107583), (763, 87561), (981, 68103), (987, 67689), (1081, 61803), (1269, 52647), (1449, 46107), (1863, 35861), (2289, 29187), (2507, 26649), (2943, 22701), (2961, 22563), (3243, 20601), (3807, 17549), (4347, 15369), (5123, 13041), (6867, 9729), (7521, 8883), (7567, 8829)]