39720681

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4409}}^1$

素因数の和:4446

約数の個数: 48

約数和(自身を含む): 77051520

約数和(自身を除く): 37330839

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1287, 3003, 4409, 9009, 13227, 30863, 39681, 48499, 57317, 92589, 145497, 171951, 277767, 339493, 401219, 436491, 515853, 630487, 1018479, 1203657, 1891461, 3055437, 3610971, 4413409, 5674383, 13240227, 39720681]

約数ペア:

[(1, 39720681), (3, 13240227), (7, 5674383), (9, 4413409), (11, 3610971), (13, 3055437), (21, 1891461), (33, 1203657), (39, 1018479), (63, 630487), (77, 515853), (91, 436491), (99, 401219), (117, 339493), (143, 277767), (231, 171951), (273, 145497), (429, 92589), (693, 57317), (819, 48499), (1001, 39681), (1287, 30863), (3003, 13227), (4409, 9009)]