78198129

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{16937}}^1$

素因数の和:16971

約数の個数: 24

約数和(自身を含む): 123308640

約数和(自身を除く): 45110511

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4617, 16937, 50811, 152433, 321803, 457299, 965409, 1371897, 2896227, 4115691, 8688681, 26066043, 78198129]

約数ペア:

[(1, 78198129), (3, 26066043), (9, 8688681), (19, 4115691), (27, 2896227), (57, 1371897), (81, 965409), (171, 457299), (243, 321803), (513, 152433), (1539, 50811), (4617, 16937)]