253409871

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{34747}}^1$

素因数の和:34791

約数の個数: 32

約数和(自身を含む): 420311808

約数和(自身を除く): 166901937

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 2431, 7293, 34747, 104241, 382217, 451711, 590699, 1146651, 1355133, 1772097, 4968821, 6497689, 7679087, 14906463, 19493067, 23037261, 84469957, 253409871]

約数ペア:

[(1, 253409871), (3, 84469957), (11, 23037261), (13, 19493067), (17, 14906463), (33, 7679087), (39, 6497689), (51, 4968821), (143, 1772097), (187, 1355133), (221, 1146651), (429, 590699), (561, 451711), (663, 382217), (2431, 104241), (7293, 34747)]