28317993

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 41827968

約数和(自身を除く): 13509975

約数列:

[1, 3, 11, 33, 121, 181, 363, 431, 543, 1293, 1991, 4741, 5973, 14223, 21901, 52151, 65703, 78011, 156453, 234033, 858121, 2574363, 9439331, 28317993]

約数ペア:

[(1, 28317993), (3, 9439331), (11, 2574363), (33, 858121), (121, 234033), (181, 156453), (363, 78011), (431, 65703), (543, 52151), (1293, 21901), (1991, 14223), (4741, 5973)]