199934025

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{821}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 352263168

約数和(自身を除く): 152329143

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 191, 255, 425, 573, 821, 955, 1275, 2463, 2865, 3247, 4105, 4775, 9741, 12315, 13957, 14325, 16235, 20525, 41871, 48705, 61575, 69785, 81175, 156811, 209355, 243525, 348925, 470433, 784055, 1046775, 2352165, 2665787, 3920275, 7997361, 11760825, 13328935, 39986805, 66644675, 199934025]

約数ペア:

[(1, 199934025), (3, 66644675), (5, 39986805), (15, 13328935), (17, 11760825), (25, 7997361), (51, 3920275), (75, 2665787), (85, 2352165), (191, 1046775), (255, 784055), (425, 470433), (573, 348925), (821, 243525), (955, 209355), (1275, 156811), (2463, 81175), (2865, 69785), (3247, 61575), (4105, 48705), (4775, 41871), (9741, 20525), (12315, 16235), (13957, 14325)]