86875481

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1811}}^1$

素因数の和:1925

約数の個数: 24

約数和(自身を含む): 111546720

約数和(自身を除く): 24671239

約数列:

[1, 7, 11, 49, 77, 89, 539, 623, 979, 1811, 4361, 6853, 12677, 19921, 47971, 88739, 139447, 161179, 976129, 1128253, 1772969, 7897771, 12410783, 86875481]

約数ペア:

[(1, 86875481), (7, 12410783), (11, 7897771), (49, 1772969), (77, 1128253), (89, 976129), (539, 161179), (623, 139447), (979, 88739), (1811, 47971), (4361, 19921), (6853, 12677)]