28005039

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1759}}^1$

素因数の和:1855

約数の個数: 24

約数和(自身を含む): 42556800

約数和(自身を除く): 14551761

約数列:

[1, 3, 9, 29, 61, 87, 183, 261, 549, 1759, 1769, 5277, 5307, 15831, 15921, 51011, 107299, 153033, 321897, 459099, 965691, 3111671, 9335013, 28005039]

約数ペア:

[(1, 28005039), (3, 9335013), (9, 3111671), (29, 965691), (61, 459099), (87, 321897), (183, 153033), (261, 107299), (549, 51011), (1759, 15921), (1769, 15831), (5277, 5307)]