16605639

素因数分解:

$3^2\times {\mathrm{19}}^3\times {\mathrm{269}}^1$

素因数の和:332

約数の個数: 24

約数和(自身を含む): 25412400

約数和(自身を除く): 8806761

約数列:

[1, 3, 9, 19, 57, 171, 269, 361, 807, 1083, 2421, 3249, 5111, 6859, 15333, 20577, 45999, 61731, 97109, 291327, 873981, 1845071, 5535213, 16605639]

約数ペア:

[(1, 16605639), (3, 5535213), (9, 1845071), (19, 873981), (57, 291327), (171, 97109), (269, 61731), (361, 45999), (807, 20577), (1083, 15333), (2421, 6859), (3249, 5111)]