27909917

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{1213}}^1$

素因数の和:1412

約数の個数: 16

約数和(自身を含む): 33797760

約数和(自身を除く): 5887843

約数列:

[1, 7, 19, 133, 173, 1211, 1213, 3287, 8491, 23009, 23047, 161329, 209849, 1468943, 3987131, 27909917]

約数ペア:

[(1, 27909917), (7, 3987131), (19, 1468943), (133, 209849), (173, 161329), (1211, 23047), (1213, 23009), (3287, 8491)]