20953847067

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1171}}^1$

素因数の和:1440

約数の個数: 64

約数和(自身を含む): 30851690496

約数和(自身を除く): 9897843429

約数列:

[1, 3, 23, 37, 43, 69, 111, 129, 163, 489, 851, 989, 1171, 1591, 2553, 2967, 3513, 3749, 4773, 6031, 7009, 11247, 18093, 21027, 26933, 36593, 43327, 50353, 80799, 109779, 129981, 138713, 151059, 161207, 190873, 259333, 416139, 483621, 572619, 777999, 996521, 1158119, 1863061, 2989563, 3474357, 4390079, 5589183, 5964659, 7062301, 8207539, 13170237, 17893977, 21186903, 24622617, 42850403, 128551209, 162432923, 188773397, 303678943, 487298769, 566320191, 911036829, 6984615689, 20953847067]

約数ペア:

[(1, 20953847067), (3, 6984615689), (23, 911036829), (37, 566320191), (43, 487298769), (69, 303678943), (111, 188773397), (129, 162432923), (163, 128551209), (489, 42850403), (851, 24622617), (989, 21186903), (1171, 17893977), (1591, 13170237), (2553, 8207539), (2967, 7062301), (3513, 5964659), (3749, 5589183), (4773, 4390079), (6031, 3474357), (7009, 2989563), (11247, 1863061), (18093, 1158119), (21027, 996521), (26933, 777999), (36593, 572619), (43327, 483621), (50353, 416139), (80799, 259333), (109779, 190873), (129981, 161207), (138713, 151059)]