201213155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{811}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 284836608

約数和(自身を除く): 83623453

約数列:

[1, 5, 11, 13, 55, 65, 143, 347, 715, 811, 1735, 3817, 4055, 4511, 8921, 10543, 19085, 22555, 44605, 49621, 52715, 115973, 248105, 281417, 579865, 1407085, 3095587, 3658421, 15477935, 18292105, 40242631, 201213155]

約数ペア:

[(1, 201213155), (5, 40242631), (11, 18292105), (13, 15477935), (55, 3658421), (65, 3095587), (143, 1407085), (347, 579865), (715, 281417), (811, 248105), (1735, 115973), (3817, 52715), (4055, 49621), (4511, 44605), (8921, 22555), (10543, 19085)]