81963321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2143}}^1$

素因数の和:2237

約数の個数: 32

約数和(自身を含む): 127610880

約数和(自身を除く): 45647559

約数列:

[1, 3, 11, 19, 33, 57, 61, 183, 209, 627, 671, 1159, 2013, 2143, 3477, 6429, 12749, 23573, 38247, 40717, 70719, 122151, 130723, 392169, 447887, 1343661, 1437953, 2483737, 4313859, 7451211, 27321107, 81963321]

約数ペア:

[(1, 81963321), (3, 27321107), (11, 7451211), (19, 4313859), (33, 2483737), (57, 1437953), (61, 1343661), (183, 447887), (209, 392169), (627, 130723), (671, 122151), (1159, 70719), (2013, 40717), (2143, 38247), (3477, 23573), (6429, 12749)]