51989985

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20269}}^1$

素因数の和:20302

約数の個数: 32

約数和(自身を含む): 97296000

約数和(自身を除く): 45306015

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 20269, 60807, 101345, 182421, 304035, 385111, 547263, 912105, 1155333, 1925555, 2736315, 3465999, 5776665, 10397997, 17329995, 51989985]

約数ペア:

[(1, 51989985), (3, 17329995), (5, 10397997), (9, 5776665), (15, 3465999), (19, 2736315), (27, 1925555), (45, 1155333), (57, 912105), (95, 547263), (135, 385111), (171, 304035), (285, 182421), (513, 101345), (855, 60807), (2565, 20269)]