72878031

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{1993}}^1$

素因数の和:2255

約数の個数: 24

約数和(自身を含む): 111983040

約数和(自身を除く): 39105009

約数列:

[1, 3, 9, 17, 51, 153, 239, 717, 1993, 2151, 4063, 5979, 12189, 17937, 33881, 36567, 101643, 304929, 476327, 1428981, 4286943, 8097559, 24292677, 72878031]

約数ペア:

[(1, 72878031), (3, 24292677), (9, 8097559), (17, 4286943), (51, 1428981), (153, 476327), (239, 304929), (717, 101643), (1993, 36567), (2151, 33881), (4063, 17937), (5979, 12189)]