13873305

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 23025024

約数和(自身を除く): 9151719

約数列:

[1, 3, 5, 15, 43, 129, 137, 157, 215, 411, 471, 645, 685, 785, 2055, 2355, 5891, 6751, 17673, 20253, 21509, 29455, 33755, 64527, 88365, 101265, 107545, 322635, 924887, 2774661, 4624435, 13873305]

約数ペア:

[(1, 13873305), (3, 4624435), (5, 2774661), (15, 924887), (43, 322635), (129, 107545), (137, 101265), (157, 88365), (215, 64527), (411, 33755), (471, 29455), (645, 21509), (685, 20253), (785, 17673), (2055, 6751), (2355, 5891)]