7389423

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 11398400

約数和(自身を除く): 4008977

約数列:

[1, 3, 9, 19, 57, 79, 171, 237, 547, 711, 1501, 1641, 4503, 4923, 10393, 13509, 31179, 43213, 93537, 129639, 388917, 821047, 2463141, 7389423]

約数ペア:

[(1, 7389423), (3, 2463141), (9, 821047), (19, 388917), (57, 129639), (79, 93537), (171, 43213), (237, 31179), (547, 13509), (711, 10393), (1501, 4923), (1641, 4503)]