138317641

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{569}}^1$

素因数の和:646

約数の個数: 36

約数和(自身を含む): 181489140

約数和(自身を除く): 43171499

約数列:

[1, 7, 11, 41, 49, 77, 121, 287, 451, 539, 569, 847, 2009, 3157, 3983, 4961, 5929, 6259, 22099, 23329, 27881, 34727, 43813, 68849, 163303, 243089, 256619, 306691, 481943, 1143121, 1796333, 2822809, 3373601, 12574331, 19759663, 138317641]

約数ペア:

[(1, 138317641), (7, 19759663), (11, 12574331), (41, 3373601), (49, 2822809), (77, 1796333), (121, 1143121), (287, 481943), (451, 306691), (539, 256619), (569, 243089), (847, 163303), (2009, 68849), (3157, 43813), (3983, 34727), (4961, 27881), (5929, 23329), (6259, 22099)]