2851821

素因数分解:

$3^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 4915200

約数和(自身を除く): 2063379

約数列:

[1, 3, 7, 9, 21, 27, 63, 79, 189, 191, 237, 553, 573, 711, 1337, 1659, 1719, 2133, 4011, 4977, 5157, 12033, 14931, 15089, 36099, 45267, 105623, 135801, 316869, 407403, 950607, 2851821]

約数ペア:

[(1, 2851821), (3, 950607), (7, 407403), (9, 316869), (21, 135801), (27, 105623), (63, 45267), (79, 36099), (189, 15089), (191, 14931), (237, 12033), (553, 5157), (573, 4977), (711, 4011), (1337, 2133), (1659, 1719)]