253142019

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127271}}^1$

素因数の和:127307

約数の個数: 24

約数和(自身を含む): 416943072

約数和(自身を除く): 163801053

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 127271, 381813, 1145439, 1654523, 2163607, 4963569, 6490821, 14890707, 19472463, 28126891, 84380673, 253142019]

約数ペア:

[(1, 253142019), (3, 84380673), (9, 28126891), (13, 19472463), (17, 14890707), (39, 6490821), (51, 4963569), (117, 2163607), (153, 1654523), (221, 1145439), (663, 381813), (1989, 127271)]