8127921

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:201

約数の個数: 32

約数和(自身を含む): 12192768

約数和(自身を除く): 4064847

約数列:

[1, 3, 17, 31, 51, 53, 93, 97, 159, 291, 527, 901, 1581, 1643, 1649, 2703, 3007, 4929, 4947, 5141, 9021, 15423, 27931, 51119, 83793, 87397, 153357, 159371, 262191, 478113, 2709307, 8127921]

約数ペア:

[(1, 8127921), (3, 2709307), (17, 478113), (31, 262191), (51, 159371), (53, 153357), (93, 87397), (97, 83793), (159, 51119), (291, 27931), (527, 15423), (901, 9021), (1581, 5141), (1643, 4947), (1649, 4929), (2703, 3007)]