209232711

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^2$

素因数の和:304

約数の個数: 36

約数和(自身を含む): 318239064

約数和(自身を除く): 109006353

約数列:

[1, 3, 9, 43, 53, 101, 129, 159, 303, 387, 477, 909, 2279, 4343, 5353, 6837, 10201, 13029, 16059, 20511, 30603, 39087, 48177, 91809, 230179, 438643, 540653, 690537, 1315929, 1621959, 2071611, 3947787, 4865877, 23248079, 69744237, 209232711]

約数ペア:

[(1, 209232711), (3, 69744237), (9, 23248079), (43, 4865877), (53, 3947787), (101, 2071611), (129, 1621959), (159, 1315929), (303, 690537), (387, 540653), (477, 438643), (909, 230179), (2279, 91809), (4343, 48177), (5353, 39087), (6837, 30603), (10201, 20511), (13029, 16059)]