277883907

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 464584704

約数和(自身を除く): 186700797

約数列:

[1, 3, 7, 21, 23, 31, 67, 69, 93, 161, 201, 217, 277, 469, 483, 651, 713, 831, 1407, 1541, 1939, 2077, 2139, 4623, 4991, 5817, 6231, 6371, 8587, 10787, 14539, 14973, 18559, 19113, 25761, 32361, 43617, 44597, 47771, 55677, 60109, 129913, 133791, 143313, 180327, 197501, 334397, 389739, 426857, 575329, 592503, 1003191, 1280571, 1382507, 1725987, 2987999, 4027303, 4147521, 8963997, 12081909, 13232567, 39697701, 92627969, 277883907]

約数ペア:

[(1, 277883907), (3, 92627969), (7, 39697701), (21, 13232567), (23, 12081909), (31, 8963997), (67, 4147521), (69, 4027303), (93, 2987999), (161, 1725987), (201, 1382507), (217, 1280571), (277, 1003191), (469, 592503), (483, 575329), (651, 426857), (713, 389739), (831, 334397), (1407, 197501), (1541, 180327), (1939, 143313), (2077, 133791), (2139, 129913), (4623, 60109), (4991, 55677), (5817, 47771), (6231, 44597), (6371, 43617), (8587, 32361), (10787, 25761), (14539, 19113), (14973, 18559)]