2160405

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1231}}^1$

素因数の和:1258

約数の個数: 32

約数和(自身を含む): 4139520

約数和(自身を除く): 1979115

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1231, 1755, 3693, 6155, 11079, 16003, 18465, 33237, 48009, 55395, 80015, 144027, 166185, 240045, 432081, 720135, 2160405]

約数ペア:

[(1, 2160405), (3, 720135), (5, 432081), (9, 240045), (13, 166185), (15, 144027), (27, 80015), (39, 55395), (45, 48009), (65, 33237), (117, 18465), (135, 16003), (195, 11079), (351, 6155), (585, 3693), (1231, 1755)]