217423863

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{45841}}^1$

素因数の和:45895

約数の個数: 24

約数和(自身を含む): 343264896

約数和(自身を除く): 125841033

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1581, 4743, 45841, 137523, 412569, 779297, 1421071, 2337891, 4263213, 7013673, 12789639, 24158207, 72474621, 217423863]

約数ペア:

[(1, 217423863), (3, 72474621), (9, 24158207), (17, 12789639), (31, 7013673), (51, 4263213), (93, 2337891), (153, 1421071), (279, 779297), (527, 412569), (1581, 137523), (4743, 45841)]