130921805

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{128987}}^1$

素因数の和:129028

約数の個数: 16

約数和(自身を含む): 185742720

約数和(自身を除く): 54820915

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 128987, 644935, 902909, 3740623, 4514545, 18703115, 26184361, 130921805]

約数ペア:

[(1, 130921805), (5, 26184361), (7, 18703115), (29, 4514545), (35, 3740623), (145, 902909), (203, 644935), (1015, 128987)]