9905709

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 15556608

約数和(自身を除く): 5650899

約数列:

[1, 3, 11, 23, 31, 33, 69, 93, 253, 341, 421, 713, 759, 1023, 1263, 2139, 4631, 7843, 9683, 13051, 13893, 23529, 29049, 39153, 106513, 143561, 300173, 319539, 430683, 900519, 3301903, 9905709]

約数ペア:

[(1, 9905709), (3, 3301903), (11, 900519), (23, 430683), (31, 319539), (33, 300173), (69, 143561), (93, 106513), (253, 39153), (341, 29049), (421, 23529), (713, 13893), (759, 13051), (1023, 9683), (1263, 7843), (2139, 4631)]