220131639

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{268781}}^1$

素因数の和:268807

約数の個数: 24

約数和(自身を含む): 391346592

約数和(自身を除く): 171214953

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 268781, 806343, 1881467, 2419029, 3494153, 5644401, 10482459, 16933203, 24459071, 31447377, 73377213, 220131639]

約数ペア:

[(1, 220131639), (3, 73377213), (7, 31447377), (9, 24459071), (13, 16933203), (21, 10482459), (39, 5644401), (63, 3494153), (91, 2419029), (117, 1881467), (273, 806343), (819, 268781)]