1900515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 3343680

約数和(自身を除く): 1443165

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 257, 435, 493, 771, 1285, 1479, 2465, 3855, 4369, 7395, 7453, 13107, 21845, 22359, 37265, 65535, 111795, 126701, 380103, 633505, 1900515]

約数ペア:

[(1, 1900515), (3, 633505), (5, 380103), (15, 126701), (17, 111795), (29, 65535), (51, 37265), (85, 22359), (87, 21845), (145, 13107), (255, 7453), (257, 7395), (435, 4369), (493, 3855), (771, 2465), (1285, 1479)]