61980191

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 79822848

約数和(自身を除く): 17842657

約数列:

[1, 7, 13, 31, 91, 127, 173, 217, 403, 889, 1211, 1651, 2249, 2821, 3937, 5363, 11557, 15743, 21971, 27559, 37541, 51181, 69719, 153797, 285623, 358267, 488033, 681101, 1999361, 4767707, 8854313, 61980191]

約数ペア:

[(1, 61980191), (7, 8854313), (13, 4767707), (31, 1999361), (91, 681101), (127, 488033), (173, 358267), (217, 285623), (403, 153797), (889, 69719), (1211, 51181), (1651, 37541), (2249, 27559), (2821, 21971), (3937, 15743), (5363, 11557)]