64121919

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 91422720

約数和(自身を除く): 27300801

約数列:

[1, 3, 31, 61, 89, 93, 127, 183, 267, 381, 1891, 2759, 3937, 5429, 5673, 7747, 8277, 11303, 11811, 16287, 23241, 33909, 168299, 240157, 350393, 504897, 689483, 720471, 1051179, 2068449, 21373973, 64121919]

約数ペア:

[(1, 64121919), (3, 21373973), (31, 2068449), (61, 1051179), (89, 720471), (93, 689483), (127, 504897), (183, 350393), (267, 240157), (381, 168299), (1891, 33909), (2759, 23241), (3937, 16287), (5429, 11811), (5673, 11303), (7747, 8277)]