2971521

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{467}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 4964544

約数和(自身を除く): 1993023

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 467, 707, 909, 1401, 2121, 3269, 4203, 6363, 9807, 29421, 47167, 141501, 330169, 424503, 990507, 2971521]

約数ペア:

[(1, 2971521), (3, 990507), (7, 424503), (9, 330169), (21, 141501), (63, 47167), (101, 29421), (303, 9807), (467, 6363), (707, 4203), (909, 3269), (1401, 2121)]