51408909

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{3229}}^1$

素因数の和:3325

約数の個数: 24

約数和(自身を含む): 78101400

約数和(自身を除く): 26692491

約数列:

[1, 3, 9, 29, 61, 87, 183, 261, 549, 1769, 3229, 5307, 9687, 15921, 29061, 93641, 196969, 280923, 590907, 842769, 1772721, 5712101, 17136303, 51408909]

約数ペア:

[(1, 51408909), (3, 17136303), (9, 5712101), (29, 1772721), (61, 842769), (87, 590907), (183, 280923), (261, 196969), (549, 93641), (1769, 29061), (3229, 15921), (5307, 9687)]