2144625

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:87

約数の個数: 64

約数和(自身を含む): 4392960

約数和(自身を除く): 2248335

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 43, 57, 75, 95, 105, 125, 129, 133, 175, 215, 285, 301, 375, 399, 475, 525, 645, 665, 817, 875, 903, 1075, 1425, 1505, 1995, 2375, 2451, 2625, 3225, 3325, 4085, 4515, 5375, 5719, 7125, 7525, 9975, 12255, 16125, 16625, 17157, 20425, 22575, 28595, 37625, 49875, 61275, 85785, 102125, 112875, 142975, 306375, 428925, 714875, 2144625]

約数ペア:

[(1, 2144625), (3, 714875), (5, 428925), (7, 306375), (15, 142975), (19, 112875), (21, 102125), (25, 85785), (35, 61275), (43, 49875), (57, 37625), (75, 28595), (95, 22575), (105, 20425), (125, 17157), (129, 16625), (133, 16125), (175, 12255), (215, 9975), (285, 7525), (301, 7125), (375, 5719), (399, 5375), (475, 4515), (525, 4085), (645, 3325), (665, 3225), (817, 2625), (875, 2451), (903, 2375), (1075, 1995), (1425, 1505)]