28953351

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12421}}^1$

素因数の和:12471

約数の個数: 24

約数和(自身を含む): 49091744

約数和(自身を除く): 20138393

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 12421, 37263, 86947, 111789, 260841, 459577, 782523, 1378731, 3217039, 4136193, 9651117, 28953351]

約数ペア:

[(1, 28953351), (3, 9651117), (7, 4136193), (9, 3217039), (21, 1378731), (37, 782523), (63, 459577), (111, 260841), (259, 111789), (333, 86947), (777, 37263), (2331, 12421)]