28515009

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{13331}}^1$

素因数の和:13388

約数の個数: 16

約数和(自身を含む): 40955904

約数和(自身を除く): 12440895

約数列:

[1, 3, 23, 31, 69, 93, 713, 2139, 13331, 39993, 306613, 413261, 919839, 1239783, 9505003, 28515009]

約数ペア:

[(1, 28515009), (3, 9505003), (23, 1239783), (31, 919839), (69, 413261), (93, 306613), (713, 39993), (2139, 13331)]