217445367

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{1123}}^1$

素因数の和:1267

約数の個数: 32

約数和(自身を含む): 316518400

約数和(自身を除く): 99073033

約数列:

[1, 3, 19, 43, 57, 79, 129, 237, 817, 1123, 1501, 2451, 3369, 3397, 4503, 10191, 21337, 48289, 64011, 64543, 88717, 144867, 193629, 266151, 917491, 1685623, 2752473, 3814831, 5056869, 11444493, 72481789, 217445367]

約数ペア:

[(1, 217445367), (3, 72481789), (19, 11444493), (43, 5056869), (57, 3814831), (79, 2752473), (129, 1685623), (237, 917491), (817, 266151), (1123, 193629), (1501, 144867), (2451, 88717), (3369, 64543), (3397, 64011), (4503, 48289), (10191, 21337)]