181627439

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 226271232

約数和(自身を除く): 44643793

約数列:

[1, 7, 17, 61, 119, 131, 191, 427, 917, 1037, 1337, 2227, 3247, 7259, 7991, 11651, 15589, 22729, 25021, 55937, 81557, 135847, 175147, 198067, 425357, 950929, 1386469, 1526281, 2977499, 10683967, 25946777, 181627439]

約数ペア:

[(1, 181627439), (7, 25946777), (17, 10683967), (61, 2977499), (119, 1526281), (131, 1386469), (191, 950929), (427, 425357), (917, 198067), (1037, 175147), (1337, 135847), (2227, 81557), (3247, 55937), (7259, 25021), (7991, 22729), (11651, 15589)]