15840039

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 23721984

約数和(自身を除く): 7881945

約数列:

[1, 3, 17, 31, 43, 51, 93, 129, 233, 527, 699, 731, 1333, 1581, 2193, 3961, 3999, 7223, 10019, 11883, 21669, 22661, 30057, 67983, 122791, 170323, 310589, 368373, 510969, 931767, 5280013, 15840039]

約数ペア:

[(1, 15840039), (3, 5280013), (17, 931767), (31, 510969), (43, 368373), (51, 310589), (93, 170323), (129, 122791), (233, 67983), (527, 30057), (699, 22661), (731, 21669), (1333, 11883), (1581, 10019), (2193, 7223), (3961, 3999)]