81271917

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{59021}}^1$

素因数の和:59050

約数の個数: 20

約数和(自身を含む): 128549916

約数和(自身を除く): 47277999

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 59021, 177063, 531189, 1003357, 1593567, 3010071, 4780701, 9030213, 27090639, 81271917]

約数ペア:

[(1, 81271917), (3, 27090639), (9, 9030213), (17, 4780701), (27, 3010071), (51, 1593567), (81, 1003357), (153, 531189), (459, 177063), (1377, 59021)]