1187001987

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1\times {\mathrm{20641}}^1$

素因数の和:21334

約数の個数: 16

約数和(自身を含む): 1639800480

約数和(自身を除く): 452798493

約数列:

[1, 3, 29, 87, 661, 1983, 19169, 20641, 57507, 61923, 598589, 1795767, 13643701, 40931103, 395667329, 1187001987]

約数ペア:

[(1, 1187001987), (3, 395667329), (29, 40931103), (87, 13643701), (661, 1795767), (1983, 598589), (19169, 61923), (20641, 57507)]