128201997

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{4051}}^1$

素因数の和:4209

約数の個数: 32

約数和(自身を含む): 214723584

約数和(自身を除く): 86521587

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 231, 411, 959, 1507, 2877, 4051, 4521, 10549, 12153, 28357, 31647, 44561, 85071, 133683, 311927, 554987, 935781, 1664961, 3884909, 6104857, 11654727, 18314571, 42733999, 128201997]

約数ペア:

[(1, 128201997), (3, 42733999), (7, 18314571), (11, 11654727), (21, 6104857), (33, 3884909), (77, 1664961), (137, 935781), (231, 554987), (411, 311927), (959, 133683), (1507, 85071), (2877, 44561), (4051, 31647), (4521, 28357), (10549, 12153)]