201959847

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{77647}}^1$

素因数の和:77687

約数の個数: 18

約数和(自身を含む): 309893168

約数和(自身を除く): 107933321

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 77647, 232941, 698823, 1319999, 3959997, 11879991, 22439983, 67319949, 201959847]

約数ペア:

[(1, 201959847), (3, 67319949), (9, 22439983), (17, 11879991), (51, 3959997), (153, 1319999), (289, 698823), (867, 232941), (2601, 77647)]