338682705

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{20887}}^1$

素因数の和:20965

約数の個数: 32

約数和(自身を含む): 577511424

約数和(自身を除く): 238828719

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 3243, 5405, 16215, 20887, 62661, 104435, 313305, 480401, 981689, 1441203, 2402005, 2945067, 4908445, 7206015, 14725335, 22578847, 67736541, 112894235, 338682705]

約数ペア:

[(1, 338682705), (3, 112894235), (5, 67736541), (15, 22578847), (23, 14725335), (47, 7206015), (69, 4908445), (115, 2945067), (141, 2402005), (235, 1441203), (345, 981689), (705, 480401), (1081, 313305), (3243, 104435), (5405, 62661), (16215, 20887)]