17984997

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:419

約数の個数: 40

約数和(自身を含む): 29298456

約数和(自身を除く): 11313459

約数列:

[1, 3, 9, 17, 27, 37, 51, 81, 111, 153, 333, 353, 459, 629, 999, 1059, 1377, 1887, 2997, 3177, 5661, 6001, 9531, 13061, 16983, 18003, 28593, 39183, 50949, 54009, 117549, 162027, 222037, 352647, 486081, 666111, 1057941, 1998333, 5994999, 17984997]

約数ペア:

[(1, 17984997), (3, 5994999), (9, 1998333), (17, 1057941), (27, 666111), (37, 486081), (51, 352647), (81, 222037), (111, 162027), (153, 117549), (333, 54009), (353, 50949), (459, 39183), (629, 28593), (999, 18003), (1059, 16983), (1377, 13061), (1887, 9531), (2997, 6001), (3177, 5661)]