291230709

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{607}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 508035072

約数和(自身を除く): 216804363

約数列:

[1, 3, 7, 11, 21, 31, 33, 67, 77, 93, 201, 217, 231, 341, 469, 607, 651, 737, 1023, 1407, 1821, 2077, 2211, 2387, 4249, 5159, 6231, 6677, 7161, 12747, 14539, 15477, 18817, 20031, 22847, 40669, 43617, 46739, 56451, 68541, 122007, 131719, 140217, 159929, 206987, 284683, 395157, 447359, 479787, 620961, 854049, 1260739, 1342077, 1448909, 3131513, 3782217, 4346727, 8825173, 9394539, 13868129, 26475519, 41604387, 97076903, 291230709]

約数ペア:

[(1, 291230709), (3, 97076903), (7, 41604387), (11, 26475519), (21, 13868129), (31, 9394539), (33, 8825173), (67, 4346727), (77, 3782217), (93, 3131513), (201, 1448909), (217, 1342077), (231, 1260739), (341, 854049), (469, 620961), (607, 479787), (651, 447359), (737, 395157), (1023, 284683), (1407, 206987), (1821, 159929), (2077, 140217), (2211, 131719), (2387, 122007), (4249, 68541), (5159, 56451), (6231, 46739), (6677, 43617), (7161, 40669), (12747, 22847), (14539, 20031), (15477, 18817)]