16981497

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7639}}^1$

素因数の和:7677

約数の個数: 24

約数和(自身を含む): 27809600

約数和(自身を除く): 10828103

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 7639, 22917, 68751, 99307, 145141, 297921, 435423, 893763, 1306269, 1886833, 5660499, 16981497]

約数ペア:

[(1, 16981497), (3, 5660499), (9, 1886833), (13, 1306269), (19, 893763), (39, 435423), (57, 297921), (117, 145141), (171, 99307), (247, 68751), (741, 22917), (2223, 7639)]