16971999

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 26265600

約数和(自身を除く): 9293601

約数列:

[1, 3, 11, 23, 33, 59, 69, 177, 253, 379, 649, 759, 1137, 1357, 1947, 4071, 4169, 8717, 12507, 14927, 22361, 26151, 44781, 67083, 95887, 245971, 287661, 514303, 737913, 1542909, 5657333, 16971999]

約数ペア:

[(1, 16971999), (3, 5657333), (11, 1542909), (23, 737913), (33, 514303), (59, 287661), (69, 245971), (177, 95887), (253, 67083), (379, 44781), (649, 26151), (759, 22361), (1137, 14927), (1357, 12507), (1947, 8717), (4071, 4169)]