668925.0000000

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 16084992

約数和(自身を除く): 6150165

約数列:

[1, 3, 7, 21, 23, 67, 69, 161, 201, 307, 469, 483, 921, 1407, 1541, 2149, 4623, 6447, 7061, 10787, 20569, 21183, 32361, 49427, 61707, 143983, 148281, 431949, 473087, 1419261, 3311609, 9934827]

約数ペア:

[(1, 9934827), (3, 3311609), (7, 1419261), (21, 473087), (23, 431949), (67, 148281), (69, 143983), (161, 61707), (201, 49427), (307, 32361), (469, 21183), (483, 20569), (921, 10787), (1407, 7061), (1541, 6447), (2149, 4623)]