139212639

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{4091}}^1$

素因数の和:4315

約数の個数: 24

約数和(自身を含む): 212784000

約数和(自身を除く): 73571361

約数列:

[1, 3, 9, 19, 57, 171, 199, 597, 1791, 3781, 4091, 11343, 12273, 34029, 36819, 77729, 233187, 699561, 814109, 2442327, 7326981, 15468071, 46404213, 139212639]

約数ペア:

[(1, 139212639), (3, 46404213), (9, 15468071), (19, 7326981), (57, 2442327), (171, 814109), (199, 699561), (597, 233187), (1791, 77729), (3781, 36819), (4091, 34029), (11343, 12273)]