199609839

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{907}}^1$

素因数の和:962

約数の個数: 80

約数和(自身を含む): 369156480

約数和(自身を除く): 169546641

約数列:

[1, 3, 9, 11, 13, 19, 27, 33, 39, 57, 81, 99, 117, 143, 171, 209, 247, 297, 351, 429, 513, 627, 741, 891, 907, 1053, 1287, 1539, 1881, 2223, 2717, 2721, 3861, 5643, 6669, 8151, 8163, 9977, 11583, 11791, 16929, 17233, 20007, 24453, 24489, 29931, 35373, 51699, 73359, 73467, 89793, 106119, 129701, 155097, 189563, 220077, 224029, 269379, 318357, 389103, 465291, 568689, 672087, 808137, 955071, 1167309, 1395873, 1706067, 2016261, 2464319, 3501927, 5118201, 6048783, 7392957, 10505781, 15354603, 18146349, 22178871, 66536613, 199609839]

約数ペア:

[(1, 199609839), (3, 66536613), (9, 22178871), (11, 18146349), (13, 15354603), (19, 10505781), (27, 7392957), (33, 6048783), (39, 5118201), (57, 3501927), (81, 2464319), (99, 2016261), (117, 1706067), (143, 1395873), (171, 1167309), (209, 955071), (247, 808137), (297, 672087), (351, 568689), (429, 465291), (513, 389103), (627, 318357), (741, 269379), (891, 224029), (907, 220077), (1053, 189563), (1287, 155097), (1539, 129701), (1881, 106119), (2223, 89793), (2717, 73467), (2721, 73359), (3861, 51699), (5643, 35373), (6669, 29931), (8151, 24489), (8163, 24453), (9977, 20007), (11583, 17233), (11791, 16929)]