127907661

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1511}}^1$

素因数の和:1689

約数の個数: 32

約数和(自身を含む): 203212800

約数和(自身を除く): 75305139

約数列:

[1, 3, 7, 21, 29, 87, 139, 203, 417, 609, 973, 1511, 2919, 4031, 4533, 10577, 12093, 28217, 31731, 43819, 84651, 131457, 210029, 306733, 630087, 920199, 1470203, 4410609, 6090841, 18272523, 42635887, 127907661]

約数ペア:

[(1, 127907661), (3, 42635887), (7, 18272523), (21, 6090841), (29, 4410609), (87, 1470203), (139, 920199), (203, 630087), (417, 306733), (609, 210029), (973, 131457), (1511, 84651), (2919, 43819), (4031, 31731), (4533, 28217), (10577, 12093)]