1891567395

素因数分解:

$3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{233}}^1\times {\mathrm{809}}^1$

素因数の和:1276

約数の個数: 48

約数和(自身を含む): 3311642880

約数和(自身を除く): 1420075485

約数列:

[1, 3, 5, 9, 15, 45, 223, 233, 669, 699, 809, 1115, 1165, 2007, 2097, 2427, 3345, 3495, 4045, 7281, 10035, 10485, 12135, 36405, 51959, 155877, 180407, 188497, 259795, 467631, 541221, 565491, 779385, 902035, 942485, 1623663, 1696473, 2338155, 2706105, 2827455, 8118315, 8482365, 42034831, 126104493, 210174155, 378313479, 630522465, 1891567395]

約数ペア:

[(1, 1891567395), (3, 630522465), (5, 378313479), (9, 210174155), (15, 126104493), (45, 42034831), (223, 8482365), (233, 8118315), (669, 2827455), (699, 2706105), (809, 2338155), (1115, 1696473), (1165, 1623663), (2007, 942485), (2097, 902035), (2427, 779385), (3345, 565491), (3495, 541221), (4045, 467631), (7281, 259795), (10035, 188497), (10485, 180407), (12135, 155877), (36405, 51959)]