90728211

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{7841}}^1$

素因数の和:7899

約数の個数: 32

約数和(自身を含む): 150566400

約数和(自身を除く): 59838189

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1653, 3857, 7841, 11571, 23523, 54887, 148979, 164661, 227389, 446937, 682167, 1042853, 1591723, 3128559, 4320391, 4775169, 12961173, 30242737, 90728211]

約数ペア:

[(1, 90728211), (3, 30242737), (7, 12961173), (19, 4775169), (21, 4320391), (29, 3128559), (57, 1591723), (87, 1042853), (133, 682167), (203, 446937), (399, 227389), (551, 164661), (609, 148979), (1653, 54887), (3857, 23523), (7841, 11571)]