28395633

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71167}}^1$

素因数の和:71196

約数の個数: 16

約数和(自身を含む): 45547520

約数和(自身を除く): 17151887

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 71167, 213501, 498169, 1352173, 1494507, 4056519, 9465211, 28395633]

約数ペア:

[(1, 28395633), (3, 9465211), (7, 4056519), (19, 1494507), (21, 1352173), (57, 498169), (133, 213501), (399, 71167)]