81217818

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21589}}^1$

素因数の和:21627

約数の個数: 48

約数和(自身を含む): 202082400

約数和(自身を除く): 120864582

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 33, 38, 57, 66, 99, 114, 171, 198, 209, 342, 418, 627, 1254, 1881, 3762, 21589, 43178, 64767, 129534, 194301, 237479, 388602, 410191, 474958, 712437, 820382, 1230573, 1424874, 2137311, 2461146, 3691719, 4274622, 4512101, 7383438, 9024202, 13536303, 27072606, 40608909, 81217818]

約数ペア:

[(1, 81217818), (2, 40608909), (3, 27072606), (6, 13536303), (9, 9024202), (11, 7383438), (18, 4512101), (19, 4274622), (22, 3691719), (33, 2461146), (38, 2137311), (57, 1424874), (66, 1230573), (99, 820382), (114, 712437), (171, 474958), (198, 410191), (209, 388602), (342, 237479), (418, 194301), (627, 129534), (1254, 64767), (1881, 43178), (3762, 21589)]