28949921

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28921}}^1$

素因数の和:28952

約数の個数: 16

約数和(自身を含む): 38871168

約数和(自身を除く): 9921247

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 28921, 202447, 318131, 375973, 2226917, 2631811, 4135703, 28949921]

約数ペア:

[(1, 28949921), (7, 4135703), (11, 2631811), (13, 2226917), (77, 375973), (91, 318131), (143, 202447), (1001, 28921)]