21837195

素因数分解:

$3^7\times 5^1\times {\mathrm{1997}}^1$

素因数の和:2023

約数の個数: 32

約数和(自身を含む): 39320640

約数和(自身を除く): 17483445

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 1997, 2187, 3645, 5991, 9985, 10935, 17973, 29955, 53919, 89865, 161757, 269595, 485271, 808785, 1455813, 2426355, 4367439, 7279065, 21837195]

約数ペア:

[(1, 21837195), (3, 7279065), (5, 4367439), (9, 2426355), (15, 1455813), (27, 808785), (45, 485271), (81, 269595), (135, 161757), (243, 89865), (405, 53919), (729, 29955), (1215, 17973), (1997, 10935), (2187, 9985), (3645, 5991)]