1729970109

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{212867}}^1$

素因数の和:212926

約数の個数: 32

約数和(自身を含む): 2997181440

約数和(自身を除く): 1267211331

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 8127, 212867, 638601, 1490069, 1915803, 4470207, 5747409, 9153281, 13410621, 27459843, 40231863, 64072967, 82379529, 192218901, 247138587, 576656703, 1729970109]

約数ペア:

[(1, 1729970109), (3, 576656703), (7, 247138587), (9, 192218901), (21, 82379529), (27, 64072967), (43, 40231863), (63, 27459843), (129, 13410621), (189, 9153281), (301, 5747409), (387, 4470207), (903, 1915803), (1161, 1490069), (2709, 638601), (8127, 212867)]