51216225

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{15881}}^1$

素因数の和:15937

約数の個数: 24

約数和(自身を含む): 86652192

約数和(自身を除く): 35435967

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 15881, 47643, 79405, 238215, 397025, 682883, 1191075, 2048649, 3414415, 10243245, 17072075, 51216225]

約数ペア:

[(1, 51216225), (3, 17072075), (5, 10243245), (15, 3414415), (25, 2048649), (43, 1191075), (75, 682883), (129, 397025), (215, 238215), (645, 79405), (1075, 47643), (3225, 15881)]