28987119

素因数分解:

$3^3\times 7^1\times {\mathrm{153371}}^1$

素因数の和:153387

約数の個数: 16

約数和(自身を含む): 49079040

約数和(自身を除く): 20091921

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 153371, 460113, 1073597, 1380339, 3220791, 4141017, 9662373, 28987119]

約数ペア:

[(1, 28987119), (3, 9662373), (7, 4141017), (9, 3220791), (21, 1380339), (27, 1073597), (63, 460113), (189, 153371)]