25490913

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2203}}^1$

素因数の和:2261

約数の個数: 32

約数和(自身を含む): 42316800

約数和(自身を除く): 16825887

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1653, 2203, 3857, 6609, 11571, 15421, 41857, 46263, 63887, 125571, 191661, 292999, 447209, 878997, 1213853, 1341627, 3641559, 8496971, 25490913]

約数ペア:

[(1, 25490913), (3, 8496971), (7, 3641559), (19, 1341627), (21, 1213853), (29, 878997), (57, 447209), (87, 292999), (133, 191661), (203, 125571), (399, 63887), (551, 46263), (609, 41857), (1653, 15421), (2203, 11571), (3857, 6609)]