201818045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1019}}^1$

素因数の和:1325

約数の個数: 32

約数和(自身を含む): 285828480

約数和(自身を除く): 84010435

約数列:

[1, 5, 11, 13, 55, 65, 143, 277, 715, 1019, 1385, 3047, 3601, 5095, 11209, 13247, 15235, 18005, 39611, 56045, 66235, 145717, 198055, 282263, 728585, 1411315, 3104893, 3669419, 15524465, 18347095, 40363609, 201818045]

約数ペア:

[(1, 201818045), (5, 40363609), (11, 18347095), (13, 15524465), (55, 3669419), (65, 3104893), (143, 1411315), (277, 728585), (715, 282263), (1019, 198055), (1385, 145717), (3047, 66235), (3601, 56045), (5095, 39611), (11209, 18005), (13247, 15235)]