78351

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:71

約数の個数: 24

約数和(自身を含む): 134064

約数和(自身を除く): 55713

約数列:

[1, 3, 7, 13, 21, 39, 41, 49, 91, 123, 147, 273, 287, 533, 637, 861, 1599, 1911, 2009, 3731, 6027, 11193, 26117, 78351]

約数ペア:

[(1, 78351), (3, 26117), (7, 11193), (13, 6027), (21, 3731), (39, 2009), (41, 1911), (49, 1599), (91, 861), (123, 637), (147, 533), (273, 287)]