139968129

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{613}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 217857024

約数和(自身を除く): 77888895

約数列:

[1, 3, 7, 21, 83, 131, 249, 393, 581, 613, 917, 1743, 1839, 2751, 4291, 10873, 12873, 32619, 50879, 76111, 80303, 152637, 228333, 240909, 356153, 562121, 1068459, 1686363, 6665149, 19995447, 46656043, 139968129]

約数ペア:

[(1, 139968129), (3, 46656043), (7, 19995447), (21, 6665149), (83, 1686363), (131, 1068459), (249, 562121), (393, 356153), (581, 240909), (613, 228333), (917, 152637), (1743, 80303), (1839, 76111), (2751, 50879), (4291, 32619), (10873, 12873)]