3970107

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 32

約数和(自身を含む): 6336000

約数和(自身を除く): 2365893

約数列:

[1, 3, 9, 19, 27, 57, 71, 109, 171, 213, 327, 513, 639, 981, 1349, 1917, 2071, 2943, 4047, 6213, 7739, 12141, 18639, 23217, 36423, 55917, 69651, 147041, 208953, 441123, 1323369, 3970107]

約数ペア:

[(1, 3970107), (3, 1323369), (9, 441123), (19, 208953), (27, 147041), (57, 69651), (71, 55917), (109, 36423), (171, 23217), (213, 18639), (327, 12141), (513, 7739), (639, 6213), (981, 4047), (1349, 2943), (1917, 2071)]