1922921

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:161

約数の個数: 32

約数和(自身を含む): 2757888

約数和(自身を除く): 834967

約数列:

[1, 7, 11, 13, 17, 77, 91, 113, 119, 143, 187, 221, 791, 1001, 1243, 1309, 1469, 1547, 1921, 2431, 8701, 10283, 13447, 16159, 17017, 21131, 24973, 113113, 147917, 174811, 274703, 1922921]

約数ペア:

[(1, 1922921), (7, 274703), (11, 174811), (13, 147917), (17, 113113), (77, 24973), (91, 21131), (113, 17017), (119, 16159), (143, 13447), (187, 10283), (221, 8701), (791, 2431), (1001, 1921), (1243, 1547), (1309, 1469)]