138720813

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^3\times {\mathrm{709}}^1$

素因数の和:759

約数の個数: 48

約数和(自身を含む): 236992320

約数和(自身を除く): 98271507

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 121, 147, 231, 363, 539, 709, 847, 1331, 1617, 2127, 2541, 3993, 4963, 5929, 7799, 9317, 14889, 17787, 23397, 27951, 34741, 54593, 65219, 85789, 104223, 163779, 195657, 257367, 382151, 600523, 943679, 1146453, 1801569, 2831037, 4203661, 6605753, 12610983, 19817259, 46240271, 138720813]

約数ペア:

[(1, 138720813), (3, 46240271), (7, 19817259), (11, 12610983), (21, 6605753), (33, 4203661), (49, 2831037), (77, 1801569), (121, 1146453), (147, 943679), (231, 600523), (363, 382151), (539, 257367), (709, 195657), (847, 163779), (1331, 104223), (1617, 85789), (2127, 65219), (2541, 54593), (3993, 34741), (4963, 27951), (5929, 23397), (7799, 17787), (9317, 14889)]