31473897

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3719}}^1$

素因数の和:3773

約数の個数: 32

約数和(自身を含む): 53329920

約数和(自身を除く): 21856023

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 3719, 8463, 11157, 26033, 48347, 78099, 115289, 145041, 338429, 345867, 807023, 1015287, 1498757, 2421069, 4496271, 10491299, 31473897]

約数ペア:

[(1, 31473897), (3, 10491299), (7, 4496271), (13, 2421069), (21, 1498757), (31, 1015287), (39, 807023), (91, 345867), (93, 338429), (217, 145041), (273, 115289), (403, 78099), (651, 48347), (1209, 26033), (2821, 11157), (3719, 8463)]