81879915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{5059}}^1$

素因数の和:5163

約数の個数: 32

約数和(自身を含む): 142813440

約数和(自身を除く): 60933525

約数列:

[1, 3, 5, 13, 15, 39, 65, 83, 195, 249, 415, 1079, 1245, 3237, 5059, 5395, 15177, 16185, 25295, 65767, 75885, 197301, 328835, 419897, 986505, 1259691, 2099485, 5458661, 6298455, 16375983, 27293305, 81879915]

約数ペア:

[(1, 81879915), (3, 27293305), (5, 16375983), (13, 6298455), (15, 5458661), (39, 2099485), (65, 1259691), (83, 986505), (195, 419897), (249, 328835), (415, 197301), (1079, 75885), (1245, 65767), (3237, 25295), (5059, 16185), (5395, 15177)]