131405295

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{877}}^1\times {\mathrm{1427}}^1$

素因数の和:2319

約数の個数: 32

約数和(自身を含む): 240726528

約数和(自身を除く): 109321233

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 877, 1427, 2631, 4281, 4385, 6139, 7135, 9989, 13155, 18417, 21405, 29967, 30695, 49945, 92085, 149835, 1251479, 3754437, 6257395, 8760353, 18772185, 26281059, 43801765, 131405295]

約数ペア:

[(1, 131405295), (3, 43801765), (5, 26281059), (7, 18772185), (15, 8760353), (21, 6257395), (35, 3754437), (105, 1251479), (877, 149835), (1427, 92085), (2631, 49945), (4281, 30695), (4385, 29967), (6139, 21405), (7135, 18417), (9989, 13155)]