2145141

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 3322176

約数和(自身を除く): 1177035

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 241, 387, 723, 989, 2169, 2967, 5543, 8901, 10363, 16629, 31089, 49887, 93267, 238349, 715047, 2145141]

約数ペア:

[(1, 2145141), (3, 715047), (9, 238349), (23, 93267), (43, 49887), (69, 31089), (129, 16629), (207, 10363), (241, 8901), (387, 5543), (723, 2967), (989, 2169)]