39993945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{71}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 70201728

約数和(自身を除く): 30207783

約数列:

[1, 3, 5, 15, 17, 47, 51, 71, 85, 141, 213, 235, 255, 355, 705, 799, 1065, 1207, 2209, 2397, 3337, 3621, 3995, 6035, 6627, 10011, 11045, 11985, 16685, 18105, 33135, 37553, 50055, 56729, 112659, 156839, 170187, 187765, 283645, 470517, 563295, 784195, 850935, 2352585, 2666263, 7998789, 13331315, 39993945]

約数ペア:

[(1, 39993945), (3, 13331315), (5, 7998789), (15, 2666263), (17, 2352585), (47, 850935), (51, 784195), (71, 563295), (85, 470517), (141, 283645), (213, 187765), (235, 170187), (255, 156839), (355, 112659), (705, 56729), (799, 50055), (1065, 37553), (1207, 33135), (2209, 18105), (2397, 16685), (3337, 11985), (3621, 11045), (3995, 10011), (6035, 6627)]