215819403

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{401}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 312247872

約数和(自身を除く): 96428469

約数列:

[1, 3, 17, 51, 61, 173, 183, 401, 519, 1037, 1203, 2941, 3111, 6817, 8823, 10553, 20451, 24461, 31659, 69373, 73383, 179401, 208119, 415837, 538203, 1179341, 1247511, 3538023, 4231753, 12695259, 71939801, 215819403]

約数ペア:

[(1, 215819403), (3, 71939801), (17, 12695259), (51, 4231753), (61, 3538023), (173, 1247511), (183, 1179341), (401, 538203), (519, 415837), (1037, 208119), (1203, 179401), (2941, 73383), (3111, 69373), (6817, 31659), (8823, 24461), (10553, 20451)]