28306563

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{907}}^1$

素因数の和:1114

約数の個数: 16

約数和(自身を含む): 38528256

約数和(自身を除く): 10221693

約数列:

[1, 3, 101, 103, 303, 309, 907, 2721, 10403, 31209, 91607, 93421, 274821, 280263, 9435521, 28306563]

約数ペア:

[(1, 28306563), (3, 9435521), (101, 280263), (103, 274821), (303, 93421), (309, 91607), (907, 31209), (2721, 10403)]