216870181311

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{709}}^1\times {\mathrm{3181}}^1$

素因数の和:4160

約数の個数: 64

約数和(自身を含む): 349907993600

約数和(自身を除く): 133037812289

約数列:

[1, 3, 7, 19, 21, 57, 133, 241, 399, 709, 723, 1687, 2127, 3181, 4579, 4963, 5061, 9543, 13471, 13737, 14889, 22267, 32053, 40413, 60439, 66801, 94297, 96159, 170869, 181317, 282891, 423073, 512607, 766621, 1196083, 1269219, 2255329, 2299863, 3246511, 3588249, 5366347, 6765987, 9739533, 14565799, 15787303, 16099041, 22725577, 42851251, 43697397, 47361909, 68176731, 101960593, 128553753, 299958757, 305881779, 543534289, 899876271, 1630602867, 3804740023, 10327151491, 11414220069, 30981454473, 72290060437, 216870181311]

約数ペア:

[(1, 216870181311), (3, 72290060437), (7, 30981454473), (19, 11414220069), (21, 10327151491), (57, 3804740023), (133, 1630602867), (241, 899876271), (399, 543534289), (709, 305881779), (723, 299958757), (1687, 128553753), (2127, 101960593), (3181, 68176731), (4579, 47361909), (4963, 43697397), (5061, 42851251), (9543, 22725577), (13471, 16099041), (13737, 15787303), (14889, 14565799), (22267, 9739533), (32053, 6765987), (40413, 5366347), (60439, 3588249), (66801, 3246511), (94297, 2299863), (96159, 2255329), (170869, 1269219), (181317, 1196083), (282891, 766621), (423073, 512607)]