1900005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7451}}^1$

素因数の和:7476

約数の個数: 16

約数和(自身を含む): 3219264

約数和(自身を除く): 1319259

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 7451, 22353, 37255, 111765, 126667, 380001, 633335, 1900005]

約数ペア:

[(1, 1900005), (3, 633335), (5, 380001), (15, 126667), (17, 111765), (51, 37255), (85, 22353), (255, 7451)]