220192973

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{16921}}^1$

素因数の和:16965

約数の個数: 24

約数和(自身を含む): 297285696

約数和(自身を除く): 77092723

約数列:

[1, 7, 11, 13, 77, 91, 143, 169, 1001, 1183, 1859, 13013, 16921, 118447, 186131, 219973, 1302917, 1539811, 2419703, 2859649, 16937921, 20017543, 31456139, 220192973]

約数ペア:

[(1, 220192973), (7, 31456139), (11, 20017543), (13, 16937921), (77, 2859649), (91, 2419703), (143, 1539811), (169, 1302917), (1001, 219973), (1183, 186131), (1859, 118447), (13013, 16921)]