25404615

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 47498880

約数和(自身を除く): 22094265

約数列:

[1, 3, 5, 9, 15, 19, 43, 45, 57, 95, 129, 171, 215, 285, 387, 645, 691, 817, 855, 1935, 2073, 2451, 3455, 4085, 6219, 7353, 10365, 12255, 13129, 29713, 31095, 36765, 39387, 65645, 89139, 118161, 148565, 196935, 267417, 445695, 564547, 590805, 1337085, 1693641, 2822735, 5080923, 8468205, 25404615]

約数ペア:

[(1, 25404615), (3, 8468205), (5, 5080923), (9, 2822735), (15, 1693641), (19, 1337085), (43, 590805), (45, 564547), (57, 445695), (95, 267417), (129, 196935), (171, 148565), (215, 118161), (285, 89139), (387, 65645), (645, 39387), (691, 36765), (817, 31095), (855, 29713), (1935, 13129), (2073, 12255), (2451, 10365), (3455, 7353), (4085, 6219)]