56198979

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7643}}^1$

素因数の和:7711

約数の個数: 24

約数和(自身を含む): 87447360

約数和(自身を除く): 31248381

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 7643, 22929, 68787, 145217, 328649, 435651, 985947, 1306953, 2957841, 6244331, 18732993, 56198979]

約数ペア:

[(1, 56198979), (3, 18732993), (9, 6244331), (19, 2957841), (43, 1306953), (57, 985947), (129, 435651), (171, 328649), (387, 145217), (817, 68787), (2451, 22929), (7353, 7643)]