8974287

素因数分解:

$3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{461}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 15375360

約数和(自身を除く): 6401073

約数列:

[1, 3, 7, 9, 21, 27, 63, 103, 189, 309, 461, 721, 927, 1383, 2163, 2781, 3227, 4149, 6489, 9681, 12447, 19467, 29043, 47483, 87129, 142449, 332381, 427347, 997143, 1282041, 2991429, 8974287]

約数ペア:

[(1, 8974287), (3, 2991429), (7, 1282041), (9, 997143), (21, 427347), (27, 332381), (63, 142449), (103, 87129), (189, 47483), (309, 29043), (461, 19467), (721, 12447), (927, 9681), (1383, 6489), (2163, 4149), (2781, 3227)]