25217385

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1999}}^1$

素因数の和:2065

約数の個数: 24

約数和(自身を含む): 41808000

約数和(自身を除く): 16590615

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 841, 1999, 2523, 4205, 5997, 9995, 12615, 29985, 57971, 173913, 289855, 869565, 1681159, 5043477, 8405795, 25217385]

約数ペア:

[(1, 25217385), (3, 8405795), (5, 5043477), (15, 1681159), (29, 869565), (87, 289855), (145, 173913), (435, 57971), (841, 29985), (1999, 12615), (2523, 9995), (4205, 5997)]