56161821

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1\times {\mathrm{839}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 76567680

約数和(自身を除く): 20405859

約数列:

[1, 3, 53, 159, 421, 839, 1263, 2517, 22313, 44467, 66939, 133401, 353219, 1059657, 18720607, 56161821]

約数ペア:

[(1, 56161821), (3, 18720607), (53, 1059657), (159, 353219), (421, 133401), (839, 66939), (1263, 44467), (2517, 22313)]