28705383

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{8597}}^1$

素因数の和:8663

約数の個数: 24

約数和(自身を含む): 48286368

約数和(自身を除く): 19580985

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 8597, 25791, 60179, 77373, 180537, 455641, 541611, 1366923, 3189487, 4100769, 9568461, 28705383]

約数ペア:

[(1, 28705383), (3, 9568461), (7, 4100769), (9, 3189487), (21, 1366923), (53, 541611), (63, 455641), (159, 180537), (371, 77373), (477, 60179), (1113, 25791), (3339, 8597)]