66939145

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{21017}}^1$

素因数の和:21049

約数の個数: 24

約数和(自身を含む): 100634184

約数和(自身を除く): 33695039

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 21017, 105085, 147119, 273221, 735595, 1029833, 1366105, 1912547, 5149165, 9562735, 13387829, 66939145]

約数ペア:

[(1, 66939145), (5, 13387829), (7, 9562735), (13, 5149165), (35, 1912547), (49, 1366105), (65, 1029833), (91, 735595), (245, 273221), (455, 147119), (637, 105085), (3185, 21017)]