197866995

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{775949}}^1$

素因数の和:775974

約数の個数: 16

約数和(自身を含む): 335210400

約数和(自身を除く): 137343405

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 775949, 2327847, 3879745, 11639235, 13191133, 39573399, 65955665, 197866995]

約数ペア:

[(1, 197866995), (3, 65955665), (5, 39573399), (15, 13191133), (17, 11639235), (51, 3879745), (85, 2327847), (255, 775949)]