1306557

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:270

約数の個数: 32

約数和(自身を含む): 2293760

約数和(自身を除く): 987203

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 223, 279, 651, 669, 837, 1561, 1953, 2007, 4683, 5859, 6021, 6913, 14049, 20739, 42147, 48391, 62217, 145173, 186651, 435519, 1306557]

約数ペア:

[(1, 1306557), (3, 435519), (7, 186651), (9, 145173), (21, 62217), (27, 48391), (31, 42147), (63, 20739), (93, 14049), (189, 6913), (217, 6021), (223, 5859), (279, 4683), (651, 2007), (669, 1953), (837, 1561)]