289267005

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{1087}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 470329344

約数和(自身を除く): 181062339

約数列:

[1, 3, 5, 15, 113, 157, 339, 471, 565, 785, 1087, 1695, 2355, 3261, 5435, 16305, 17741, 53223, 88705, 122831, 170659, 266115, 368493, 511977, 614155, 853295, 1842465, 2559885, 19284467, 57853401, 96422335, 289267005]

約数ペア:

[(1, 289267005), (3, 96422335), (5, 57853401), (15, 19284467), (113, 2559885), (157, 1842465), (339, 853295), (471, 614155), (565, 511977), (785, 368493), (1087, 266115), (1695, 170659), (2355, 122831), (3261, 88705), (5435, 53223), (16305, 17741)]