129778821

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1019}}^1$

素因数の和:1170

約数の個数: 32

約数和(自身を含む): 198288000

約数和(自身を除く): 68509179

約数列:

[1, 3, 9, 27, 53, 89, 159, 267, 477, 801, 1019, 1431, 2403, 3057, 4717, 9171, 14151, 27513, 42453, 54007, 90691, 127359, 162021, 272073, 486063, 816219, 1458189, 2448657, 4806623, 14419869, 43259607, 129778821]

約数ペア:

[(1, 129778821), (3, 43259607), (9, 14419869), (27, 4806623), (53, 2448657), (89, 1458189), (159, 816219), (267, 486063), (477, 272073), (801, 162021), (1019, 127359), (1431, 90691), (2403, 54007), (3057, 42453), (4717, 27513), (9171, 14151)]