25175997

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2137}}^1$

素因数の和:2178

約数の個数: 48

約数和(自身を含む): 48028032

約数和(自身を除く): 22852035

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 153, 187, 231, 357, 561, 693, 1071, 1309, 1683, 2137, 3927, 6411, 11781, 14959, 19233, 23507, 36329, 44877, 70521, 108987, 134631, 164549, 211563, 254303, 326961, 399619, 493647, 762909, 1198857, 1480941, 2288727, 2797333, 3596571, 8391999, 25175997]

約数ペア:

[(1, 25175997), (3, 8391999), (7, 3596571), (9, 2797333), (11, 2288727), (17, 1480941), (21, 1198857), (33, 762909), (51, 493647), (63, 399619), (77, 326961), (99, 254303), (119, 211563), (153, 164549), (187, 134631), (231, 108987), (357, 70521), (561, 44877), (693, 36329), (1071, 23507), (1309, 19233), (1683, 14959), (2137, 11781), (3927, 6411)]