28043829

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{877}}^1$

素因数の和:930

約数の個数: 48

約数和(自身を含む): 49308480

約数和(自身を除く): 21264651

約数列:

[1, 3, 9, 11, 17, 19, 33, 51, 57, 99, 153, 171, 187, 209, 323, 561, 627, 877, 969, 1683, 1881, 2631, 2907, 3553, 7893, 9647, 10659, 14909, 16663, 28941, 31977, 44727, 49989, 86823, 134181, 149967, 163999, 183293, 283271, 491997, 549879, 849813, 1475991, 1649637, 2549439, 3115981, 9347943, 28043829]

約数ペア:

[(1, 28043829), (3, 9347943), (9, 3115981), (11, 2549439), (17, 1649637), (19, 1475991), (33, 849813), (51, 549879), (57, 491997), (99, 283271), (153, 183293), (171, 163999), (187, 149967), (209, 134181), (323, 86823), (561, 49989), (627, 44727), (877, 31977), (969, 28941), (1683, 16663), (1881, 14909), (2631, 10659), (2907, 9647), (3553, 7893)]