7640973

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:239

約数の個数: 40

約数和(自身を含む): 12545280

約数和(自身を除く): 4904307

約数列:

[1, 3, 9, 17, 27, 31, 51, 81, 93, 153, 179, 279, 459, 527, 537, 837, 1377, 1581, 1611, 2511, 3043, 4743, 4833, 5549, 9129, 14229, 14499, 16647, 27387, 42687, 49941, 82161, 94333, 149823, 246483, 282999, 449469, 848997, 2546991, 7640973]

約数ペア:

[(1, 7640973), (3, 2546991), (9, 848997), (17, 449469), (27, 282999), (31, 246483), (51, 149823), (81, 94333), (93, 82161), (153, 49941), (179, 42687), (279, 27387), (459, 16647), (527, 14499), (537, 14229), (837, 9129), (1377, 5549), (1581, 4833), (1611, 4743), (2511, 3043)]