1239556185

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{641}}^1\times {\mathrm{877}}^1$

素因数の和:1543

約数の個数: 72

約数和(自身を含む): 2506103496

約数和(自身を除く): 1266547311

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 641, 735, 877, 1923, 2205, 2631, 3205, 4385, 4487, 5769, 6139, 7893, 9615, 13155, 13461, 18417, 22435, 28845, 30695, 31409, 39465, 40383, 42973, 55251, 67305, 92085, 94227, 128919, 157045, 201915, 214865, 276255, 282681, 386757, 471135, 562157, 644595, 1413405, 1686471, 1933785, 2810785, 3935099, 5059413, 8432355, 11805297, 19675495, 25297065, 27545693, 35415891, 59026485, 82637079, 137728465, 177079455, 247911237, 413185395, 1239556185]

約数ペア:

[(1, 1239556185), (3, 413185395), (5, 247911237), (7, 177079455), (9, 137728465), (15, 82637079), (21, 59026485), (35, 35415891), (45, 27545693), (49, 25297065), (63, 19675495), (105, 11805297), (147, 8432355), (245, 5059413), (315, 3935099), (441, 2810785), (641, 1933785), (735, 1686471), (877, 1413405), (1923, 644595), (2205, 562157), (2631, 471135), (3205, 386757), (4385, 282681), (4487, 276255), (5769, 214865), (6139, 201915), (7893, 157045), (9615, 128919), (13155, 94227), (13461, 92085), (18417, 67305), (22435, 55251), (28845, 42973), (30695, 40383), (31409, 39465)]