208021605

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{74161}}^1$

素因数の和:74197

約数の個数: 32

約数和(自身を含む): 384455808

約数和(自身を除く): 176434203

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 74161, 222483, 370805, 815771, 1112415, 1260737, 2447313, 3782211, 4078855, 6303685, 12236565, 13868107, 18911055, 41604321, 69340535, 208021605]

約数ペア:

[(1, 208021605), (3, 69340535), (5, 41604321), (11, 18911055), (15, 13868107), (17, 12236565), (33, 6303685), (51, 4078855), (55, 3782211), (85, 2447313), (165, 1260737), (187, 1112415), (255, 815771), (561, 370805), (935, 222483), (2805, 74161)]