28958457

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{641}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 43358112

約数和(自身を除く): 14399655

約数列:

[1, 3, 11, 33, 37, 111, 407, 641, 1221, 1369, 1923, 4107, 7051, 15059, 21153, 23717, 45177, 71151, 260887, 782661, 877529, 2632587, 9652819, 28958457]

約数ペア:

[(1, 28958457), (3, 9652819), (11, 2632587), (33, 877529), (37, 782661), (111, 260887), (407, 71151), (641, 45177), (1221, 23717), (1369, 21153), (1923, 15059), (4107, 7051)]