2021969715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^3\times {\mathrm{27437}}^1$

素因数の和:27496

約数の個数: 32

約数和(自身を含む): 3437432640

約数和(自身を除く): 1415462925

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 4913, 14739, 24565, 27437, 73695, 82311, 137185, 411555, 466429, 1399287, 2332145, 6996435, 7929293, 23787879, 39646465, 118939395, 134797981, 404393943, 673989905, 2021969715]

約数ペア:

[(1, 2021969715), (3, 673989905), (5, 404393943), (15, 134797981), (17, 118939395), (51, 39646465), (85, 23787879), (255, 7929293), (289, 6996435), (867, 2332145), (1445, 1399287), (4335, 466429), (4913, 411555), (14739, 137185), (24565, 82311), (27437, 73695)]