12890325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 24966656

約数和(自身を除く): 12076331

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 75, 105, 129, 175, 215, 301, 525, 571, 645, 903, 1075, 1505, 1713, 2855, 3225, 3997, 4515, 7525, 8565, 11991, 14275, 19985, 22575, 24553, 42825, 59955, 73659, 99925, 122765, 171871, 299775, 368295, 515613, 613825, 859355, 1841475, 2578065, 4296775, 12890325]

約数ペア:

[(1, 12890325), (3, 4296775), (5, 2578065), (7, 1841475), (15, 859355), (21, 613825), (25, 515613), (35, 368295), (43, 299775), (75, 171871), (105, 122765), (129, 99925), (175, 73659), (215, 59955), (301, 42825), (525, 24553), (571, 22575), (645, 19985), (903, 14275), (1075, 11991), (1505, 8565), (1713, 7525), (2855, 4515), (3225, 3997)]