23561721

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{569}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 35212320

約数和(自身を除く): 11650599

約数列:

[1, 3, 9, 43, 107, 129, 321, 387, 569, 963, 1707, 4601, 5121, 13803, 24467, 41409, 60883, 73401, 182649, 220203, 547947, 2617969, 7853907, 23561721]

約数ペア:

[(1, 23561721), (3, 7853907), (9, 2617969), (43, 547947), (107, 220203), (129, 182649), (321, 73401), (387, 60883), (569, 41409), (963, 24467), (1707, 13803), (4601, 5121)]