1663805979

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{128291}}^1$

素因数の和:128439

約数の個数: 24

約数和(自身を含む): 2641788864

約数和(自身を除く): 977982885

約数列:

[1, 3, 9, 11, 33, 99, 131, 393, 1179, 1441, 4323, 12969, 128291, 384873, 1154619, 1411201, 4233603, 12700809, 16806121, 50418363, 151255089, 184867331, 554601993, 1663805979]

約数ペア:

[(1, 1663805979), (3, 554601993), (9, 184867331), (11, 151255089), (33, 50418363), (99, 16806121), (131, 12700809), (393, 4233603), (1179, 1411201), (1441, 1154619), (4323, 384873), (12969, 128291)]