81667047

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{1013}}^1$

素因数の和:1383

約数の個数: 32

約数和(自身を含む): 136281600

約数和(自身を除く): 54614553

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 349, 1013, 1047, 2443, 3039, 3839, 7091, 7329, 11143, 11517, 21273, 26873, 33429, 78001, 80619, 234003, 353537, 1060611, 2474759, 3888907, 7424277, 11666721, 27222349, 81667047]

約数ペア:

[(1, 81667047), (3, 27222349), (7, 11666721), (11, 7424277), (21, 3888907), (33, 2474759), (77, 1060611), (231, 353537), (349, 234003), (1013, 80619), (1047, 78001), (2443, 33429), (3039, 26873), (3839, 21273), (7091, 11517), (7329, 11143)]