639103311

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{307409}}^1$

素因数の和:307436

約数の個数: 32

約数和(自身を含む): 1180454400

約数和(自身を除く): 541351089

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 307409, 922227, 2151863, 2766681, 3381499, 6455589, 8300043, 10144497, 19366767, 23670493, 30433491, 58100301, 71011479, 91300473, 213034437, 639103311]

約数ペア:

[(1, 639103311), (3, 213034437), (7, 91300473), (9, 71011479), (11, 58100301), (21, 30433491), (27, 23670493), (33, 19366767), (63, 10144497), (77, 8300043), (99, 6455589), (189, 3381499), (231, 2766681), (297, 2151863), (693, 922227), (2079, 307409)]