205809975

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{877}}^1$

素因数の和:1049

約数の個数: 72

約数和(自身を含む): 424600800

約数和(自身を除く): 218790825

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 149, 175, 225, 315, 447, 525, 745, 877, 1043, 1341, 1575, 2235, 2631, 3129, 3725, 4385, 5215, 6139, 6705, 7893, 9387, 11175, 13155, 15645, 18417, 21925, 26075, 30695, 33525, 39465, 46935, 55251, 65775, 78225, 92085, 130673, 153475, 197325, 234675, 276255, 392019, 460425, 653365, 914711, 1176057, 1381275, 1960095, 2744133, 3266825, 4573555, 5880285, 8232399, 9800475, 13720665, 22867775, 29401425, 41161995, 68603325, 205809975]

約数ペア:

[(1, 205809975), (3, 68603325), (5, 41161995), (7, 29401425), (9, 22867775), (15, 13720665), (21, 9800475), (25, 8232399), (35, 5880285), (45, 4573555), (63, 3266825), (75, 2744133), (105, 1960095), (149, 1381275), (175, 1176057), (225, 914711), (315, 653365), (447, 460425), (525, 392019), (745, 276255), (877, 234675), (1043, 197325), (1341, 153475), (1575, 130673), (2235, 92085), (2631, 78225), (3129, 65775), (3725, 55251), (4385, 46935), (5215, 39465), (6139, 33525), (6705, 30695), (7893, 26075), (9387, 21925), (11175, 18417), (13155, 15645)]