20150823

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1051}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 33933312

約数和(自身を除く): 13782489

約数列:

[1, 3, 7, 11, 21, 33, 77, 83, 231, 249, 581, 913, 1051, 1743, 2739, 3153, 6391, 7357, 11561, 19173, 22071, 34683, 80927, 87233, 242781, 261699, 610631, 959563, 1831893, 2878689, 6716941, 20150823]

約数ペア:

[(1, 20150823), (3, 6716941), (7, 2878689), (11, 1831893), (21, 959563), (33, 610631), (77, 261699), (83, 242781), (231, 87233), (249, 80927), (581, 34683), (913, 22071), (1051, 19173), (1743, 11561), (2739, 7357), (3153, 6391)]