18331131

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{809}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 30481920

約数和(自身を除く): 12150789

約数列:

[1, 3, 7, 13, 21, 39, 83, 91, 249, 273, 581, 809, 1079, 1743, 2427, 3237, 5663, 7553, 10517, 16989, 22659, 31551, 67147, 73619, 201441, 220857, 470029, 872911, 1410087, 2618733, 6110377, 18331131]

約数ペア:

[(1, 18331131), (3, 6110377), (7, 2618733), (13, 1410087), (21, 872911), (39, 470029), (83, 220857), (91, 201441), (249, 73619), (273, 67147), (581, 31551), (809, 22659), (1079, 16989), (1743, 10517), (2427, 7553), (3237, 5663)]