3971421

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 6157944

約数和(自身を除く): 2186523

約数列:

[1, 3, 9, 17, 51, 101, 153, 257, 303, 771, 909, 1717, 2313, 4369, 5151, 13107, 15453, 25957, 39321, 77871, 233613, 441269, 1323807, 3971421]

約数ペア:

[(1, 3971421), (3, 1323807), (9, 441269), (17, 233613), (51, 77871), (101, 39321), (153, 25957), (257, 15453), (303, 13107), (771, 5151), (909, 4369), (1717, 2313)]