28889919

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{557}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 45800640

約数和(自身を除く): 16910721

約数列:

[1, 3, 9, 17, 27, 51, 113, 153, 339, 459, 557, 1017, 1671, 1921, 3051, 5013, 5763, 9469, 15039, 17289, 28407, 51867, 62941, 85221, 188823, 255663, 566469, 1069997, 1699407, 3209991, 9629973, 28889919]

約数ペア:

[(1, 28889919), (3, 9629973), (9, 3209991), (17, 1699407), (27, 1069997), (51, 566469), (113, 255663), (153, 188823), (339, 85221), (459, 62941), (557, 51867), (1017, 28407), (1671, 17289), (1921, 15039), (3051, 9469), (5013, 5763)]