1855266723

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{443}}^1\times {\mathrm{1289}}^1$

素因数の和:1776

約数の個数: 36

約数和(自身を含む): 2836880280

約数和(自身を除く): 981613557

約数列:

[1, 3, 9, 19, 57, 171, 361, 443, 1083, 1289, 1329, 3249, 3867, 3987, 8417, 11601, 24491, 25251, 73473, 75753, 159923, 220419, 465329, 479769, 571027, 1395987, 1439307, 1713081, 4187961, 5139243, 10849513, 32548539, 97645617, 206140747, 618422241, 1855266723]

約数ペア:

[(1, 1855266723), (3, 618422241), (9, 206140747), (19, 97645617), (57, 32548539), (171, 10849513), (361, 5139243), (443, 4187961), (1083, 1713081), (1289, 1439307), (1329, 1395987), (3249, 571027), (3867, 479769), (3987, 465329), (8417, 220419), (11601, 159923), (24491, 75753), (25251, 73473)]