11989998

素因数分解:

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

素因数の和:418

約数の個数: 64

約数和(自身を含む): 29056320

約数和(自身を除く): 17066322

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 37, 51, 54, 74, 102, 111, 153, 222, 306, 333, 353, 459, 629, 666, 706, 918, 999, 1059, 1258, 1887, 1998, 2118, 3177, 3774, 5661, 6001, 6354, 9531, 11322, 12002, 13061, 16983, 18003, 19062, 26122, 33966, 36006, 39183, 54009, 78366, 108018, 117549, 162027, 222037, 235098, 324054, 352647, 444074, 666111, 705294, 1332222, 1998333, 3996666, 5994999, 11989998]

約数ペア:

[(1, 11989998), (2, 5994999), (3, 3996666), (6, 1998333), (9, 1332222), (17, 705294), (18, 666111), (27, 444074), (34, 352647), (37, 324054), (51, 235098), (54, 222037), (74, 162027), (102, 117549), (111, 108018), (153, 78366), (222, 54009), (306, 39183), (333, 36006), (353, 33966), (459, 26122), (629, 19062), (666, 18003), (706, 16983), (918, 13061), (999, 12002), (1059, 11322), (1258, 9531), (1887, 6354), (1998, 6001), (2118, 5661), (3177, 3774)]