187947981

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1433}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 313185600

約数和(自身を除く): 125237619

約数列:

[1, 3, 9, 13, 19, 39, 57, 59, 117, 171, 177, 247, 531, 741, 767, 1121, 1433, 2223, 2301, 3363, 4299, 6903, 10089, 12897, 14573, 18629, 27227, 43719, 55887, 81681, 84547, 131157, 167661, 245043, 253641, 353951, 760923, 1061853, 1099111, 1606393, 3185559, 3297333, 4819179, 9891999, 14457537, 20883109, 62649327, 187947981]

約数ペア:

[(1, 187947981), (3, 62649327), (9, 20883109), (13, 14457537), (19, 9891999), (39, 4819179), (57, 3297333), (59, 3185559), (117, 1606393), (171, 1099111), (177, 1061853), (247, 760923), (531, 353951), (741, 253641), (767, 245043), (1121, 167661), (1433, 131157), (2223, 84547), (2301, 81681), (3363, 55887), (4299, 43719), (6903, 27227), (10089, 18629), (12897, 14573)]