28350015

素因数分解:

$3^1\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{1553}}^1$

素因数の和:2778

約数の個数: 16

約数和(自身を含む): 45426528

約数和(自身を除く): 17076513

約数列:

[1, 3, 5, 15, 1217, 1553, 3651, 4659, 6085, 7765, 18255, 23295, 1890001, 5670003, 9450005, 28350015]

約数ペア:

[(1, 28350015), (3, 9450005), (5, 5670003), (15, 1890001), (1217, 23295), (1553, 18255), (3651, 7765), (4659, 6085)]