15205220355

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4001}}^1\times {\mathrm{19489}}^1$

素因数の和:23511

約数の個数: 32

約数和(自身を含む): 26207657280

約数和(自身を除く): 11002436925

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 4001, 12003, 19489, 20005, 52013, 58467, 60015, 97445, 156039, 253357, 260065, 292335, 760071, 780195, 1266785, 3800355, 77975489, 233926467, 389877445, 1013681357, 1169632335, 3041044071, 5068406785, 15205220355]

約数ペア:

[(1, 15205220355), (3, 5068406785), (5, 3041044071), (13, 1169632335), (15, 1013681357), (39, 389877445), (65, 233926467), (195, 77975489), (4001, 3800355), (12003, 1266785), (19489, 780195), (20005, 760071), (52013, 292335), (58467, 260065), (60015, 253357), (97445, 156039)]