78904863

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{1993}}^1$

素因数の和:2135

約数の個数: 24

約数和(自身を含む): 117582192

約数和(自身を除く): 38677329

約数列:

[1, 3, 9, 53, 83, 159, 249, 477, 747, 1993, 4399, 5979, 13197, 17937, 39591, 105629, 165419, 316887, 496257, 950661, 1488771, 8767207, 26301621, 78904863]

約数ペア:

[(1, 78904863), (3, 26301621), (9, 8767207), (53, 1488771), (83, 950661), (159, 496257), (249, 316887), (477, 165419), (747, 105629), (1993, 39591), (4399, 17937), (5979, 13197)]