279898395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1319}}^1$

素因数の和:1424

約数の個数: 64

約数和(自身を含む): 535265280

約数和(自身を除く): 255366885

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 47, 105, 129, 141, 215, 235, 301, 329, 645, 705, 903, 987, 1319, 1505, 1645, 2021, 3957, 4515, 4935, 6063, 6595, 9233, 10105, 14147, 19785, 27699, 30315, 42441, 46165, 56717, 61993, 70735, 138495, 170151, 185979, 212205, 283585, 309965, 397019, 433951, 850755, 929895, 1191057, 1301853, 1985095, 2169755, 2665699, 5955285, 6509265, 7997097, 13328495, 18659893, 39985485, 55979679, 93299465, 279898395]

約数ペア:

[(1, 279898395), (3, 93299465), (5, 55979679), (7, 39985485), (15, 18659893), (21, 13328495), (35, 7997097), (43, 6509265), (47, 5955285), (105, 2665699), (129, 2169755), (141, 1985095), (215, 1301853), (235, 1191057), (301, 929895), (329, 850755), (645, 433951), (705, 397019), (903, 309965), (987, 283585), (1319, 212205), (1505, 185979), (1645, 170151), (2021, 138495), (3957, 70735), (4515, 61993), (4935, 56717), (6063, 46165), (6595, 42441), (9233, 30315), (10105, 27699), (14147, 19785)]