25238745

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4217}}^1$

素因数の和:4254

約数の個数: 48

約数和(自身を含む): 52640640

約数和(自身を除く): 27401895

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 4217, 5985, 12651, 21085, 29519, 37953, 63255, 80123, 88557, 147595, 189765, 240369, 265671, 400615, 442785, 560861, 721107, 1201845, 1328355, 1682583, 2804305, 3605535, 5047749, 8412915, 25238745]

約数ペア:

[(1, 25238745), (3, 8412915), (5, 5047749), (7, 3605535), (9, 2804305), (15, 1682583), (19, 1328355), (21, 1201845), (35, 721107), (45, 560861), (57, 442785), (63, 400615), (95, 265671), (105, 240369), (133, 189765), (171, 147595), (285, 88557), (315, 80123), (399, 63255), (665, 37953), (855, 29519), (1197, 21085), (1995, 12651), (4217, 5985)]