1998333

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 3147768

約数和(自身を除く): 1149435

約数列:

[1, 3, 9, 17, 37, 51, 111, 153, 333, 353, 629, 1059, 1887, 3177, 5661, 6001, 13061, 18003, 39183, 54009, 117549, 222037, 666111, 1998333]

約数ペア:

[(1, 1998333), (3, 666111), (9, 222037), (17, 117549), (37, 54009), (51, 39183), (111, 18003), (153, 13061), (333, 6001), (353, 5661), (629, 3177), (1059, 1887)]