197553825

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2917}}^1$

素因数の和:2983

約数の個数: 72

約数和(自身を含む): 413935808

約数和(自身を除く): 216381983

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 43, 45, 63, 75, 105, 129, 175, 215, 225, 301, 315, 387, 525, 645, 903, 1075, 1505, 1575, 1935, 2709, 2917, 3225, 4515, 7525, 8751, 9675, 13545, 14585, 20419, 22575, 26253, 43755, 61257, 67725, 72925, 102095, 125431, 131265, 183771, 218775, 306285, 376293, 510475, 627155, 656325, 878017, 918855, 1128879, 1531425, 1881465, 2634051, 3135775, 4390085, 4594275, 5644395, 7902153, 9407325, 13170255, 21950425, 28221975, 39510765, 65851275, 197553825]

約数ペア:

[(1, 197553825), (3, 65851275), (5, 39510765), (7, 28221975), (9, 21950425), (15, 13170255), (21, 9407325), (25, 7902153), (35, 5644395), (43, 4594275), (45, 4390085), (63, 3135775), (75, 2634051), (105, 1881465), (129, 1531425), (175, 1128879), (215, 918855), (225, 878017), (301, 656325), (315, 627155), (387, 510475), (525, 376293), (645, 306285), (903, 218775), (1075, 183771), (1505, 131265), (1575, 125431), (1935, 102095), (2709, 72925), (2917, 67725), (3225, 61257), (4515, 43755), (7525, 26253), (8751, 22575), (9675, 20419), (13545, 14585)]