68557185

素因数分解:

$3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1553}}^1$

素因数の和:1679

約数の個数: 40

約数和(自身を含む): 124102440

約数和(自身を除く): 55545255

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 327, 405, 545, 981, 1553, 1635, 2943, 4659, 4905, 7765, 8829, 13977, 14715, 23295, 41931, 44145, 69885, 125793, 169277, 209655, 507831, 628965, 846385, 1523493, 2539155, 4570479, 7617465, 13711437, 22852395, 68557185]

約数ペア:

[(1, 68557185), (3, 22852395), (5, 13711437), (9, 7617465), (15, 4570479), (27, 2539155), (45, 1523493), (81, 846385), (109, 628965), (135, 507831), (327, 209655), (405, 169277), (545, 125793), (981, 69885), (1553, 44145), (1635, 41931), (2943, 23295), (4659, 14715), (4905, 13977), (7765, 8829)]