209309139

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{26701}}^1$

素因数の和:26787

約数の個数: 24

約数和(自身を含む): 330463952

約数和(自身を除く): 121154813

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 2613, 7839, 26701, 80103, 240309, 347113, 1041339, 1788967, 3124017, 5366901, 16100703, 23256571, 69769713, 209309139]

約数ペア:

[(1, 209309139), (3, 69769713), (9, 23256571), (13, 16100703), (39, 5366901), (67, 3124017), (117, 1788967), (201, 1041339), (603, 347113), (871, 240309), (2613, 80103), (7839, 26701)]