205651383

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2539}}^1$

素因数の和:2604

約数の個数: 48

約数和(自身を含む): 347472000

約数和(自身を除く): 141820617

約数列:

[1, 3, 7, 19, 21, 29, 49, 57, 87, 133, 147, 203, 399, 551, 609, 931, 1421, 1653, 2539, 2793, 3857, 4263, 7617, 11571, 17773, 26999, 48241, 53319, 73631, 80997, 124411, 144723, 220893, 337687, 373233, 515417, 1013061, 1398989, 1546251, 2363809, 3607919, 4196967, 7091427, 9792923, 10823757, 29378769, 68550461, 205651383]

約数ペア:

[(1, 205651383), (3, 68550461), (7, 29378769), (19, 10823757), (21, 9792923), (29, 7091427), (49, 4196967), (57, 3607919), (87, 2363809), (133, 1546251), (147, 1398989), (203, 1013061), (399, 515417), (551, 373233), (609, 337687), (931, 220893), (1421, 144723), (1653, 124411), (2539, 80997), (2793, 73631), (3857, 53319), (4263, 48241), (7617, 26999), (11571, 17773)]