28306113

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{20921}}^1$

素因数の和:20976

約数の個数: 16

約数和(自身を含む): 42178752

約数和(自身を除く): 13872639

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 20921, 62763, 230131, 690393, 857761, 2573283, 9435371, 28306113]

約数ペア:

[(1, 28306113), (3, 9435371), (11, 2573283), (33, 857761), (41, 690393), (123, 230131), (451, 62763), (1353, 20921)]