28641681

素因数分解:

$3^6\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:508

約数の個数: 28

約数和(自身を含む): 43479540

約数和(自身を除く): 14837859

約数列:

[1, 3, 9, 27, 81, 101, 243, 303, 389, 729, 909, 1167, 2727, 3501, 8181, 10503, 24543, 31509, 39289, 73629, 94527, 117867, 283581, 353601, 1060803, 3182409, 9547227, 28641681]

約数ペア:

[(1, 28641681), (3, 9547227), (9, 3182409), (27, 1060803), (81, 353601), (101, 283581), (243, 117867), (303, 94527), (389, 73629), (729, 39289), (909, 31509), (1167, 24543), (2727, 10503), (3501, 8181)]