28552419

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1361}}^1$

素因数の和:1417

約数の個数: 40

約数和(自身を含む): 50099808

約数和(自身を除く): 21547389

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 567, 777, 999, 1361, 2331, 2997, 4083, 6993, 9527, 12249, 20979, 28581, 36747, 50357, 85743, 110241, 151071, 257229, 352499, 453213, 771687, 1057497, 1359639, 3172491, 4078917, 9517473, 28552419]

約数ペア:

[(1, 28552419), (3, 9517473), (7, 4078917), (9, 3172491), (21, 1359639), (27, 1057497), (37, 771687), (63, 453213), (81, 352499), (111, 257229), (189, 151071), (259, 110241), (333, 85743), (567, 50357), (777, 36747), (999, 28581), (1361, 20979), (2331, 12249), (2997, 9527), (4083, 6993)]