2191761

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1$

素因数の和:174

約数の個数: 36

約数和(自身を含む): 3768336

約数和(自身を除く): 1576575

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 131, 143, 169, 393, 429, 507, 1179, 1287, 1441, 1521, 1703, 1859, 4323, 5109, 5577, 12969, 15327, 16731, 18733, 22139, 56199, 66417, 168597, 199251, 243529, 730587, 2191761]

約数ペア:

[(1, 2191761), (3, 730587), (9, 243529), (11, 199251), (13, 168597), (33, 66417), (39, 56199), (99, 22139), (117, 18733), (131, 16731), (143, 15327), (169, 12969), (393, 5577), (429, 5109), (507, 4323), (1179, 1859), (1287, 1703), (1441, 1521)]