25723131

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2803}}^1$

素因数の和:2855

約数の個数: 32

約数和(自身を含む): 43069440

約数和(自身を除く): 17346309

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 2803, 3059, 8409, 9177, 19621, 53257, 58863, 64469, 159771, 193407, 372799, 451283, 1118397, 1224911, 1353849, 3674733, 8574377, 25723131]

約数ペア:

[(1, 25723131), (3, 8574377), (7, 3674733), (19, 1353849), (21, 1224911), (23, 1118397), (57, 451283), (69, 372799), (133, 193407), (161, 159771), (399, 64469), (437, 58863), (483, 53257), (1311, 19621), (2803, 9177), (3059, 8409)]