261388502415

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{66765901}}^1$

素因数の和:66765944

約数の個数: 32

約数和(自身を含む): 480714494400

約数和(自身を除く): 219325991985

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 66765901, 200297703, 333829505, 600893109, 1001488515, 1802679327, 1936211129, 3004465545, 5808633387, 9013396635, 9681055645, 17425900161, 29043166935, 52277700483, 87129500805, 261388502415]

約数ペア:

[(1, 261388502415), (3, 87129500805), (5, 52277700483), (9, 29043166935), (15, 17425900161), (27, 9681055645), (29, 9013396635), (45, 5808633387), (87, 3004465545), (135, 1936211129), (145, 1802679327), (261, 1001488515), (435, 600893109), (783, 333829505), (1305, 200297703), (3915, 66765901)]