18507069

素因数分解:

$3^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{541}}^1$

素因数の和:738

約数の個数: 32

約数和(自身を含む): 31566080

約数和(自身を除く): 13059011

約数列:

[1, 3, 7, 9, 21, 27, 63, 181, 189, 541, 543, 1267, 1623, 1629, 3787, 3801, 4869, 4887, 11361, 11403, 14607, 34083, 34209, 97921, 102249, 293763, 685447, 881289, 2056341, 2643867, 6169023, 18507069]

約数ペア:

[(1, 18507069), (3, 6169023), (7, 2643867), (9, 2056341), (21, 881289), (27, 685447), (63, 293763), (181, 102249), (189, 97921), (541, 34209), (543, 34083), (1267, 14607), (1623, 11403), (1629, 11361), (3787, 4887), (3801, 4869)]