66689805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{48857}}^1$

素因数の和:48885

約数の個数: 32

約数和(自身を含む): 131330304

約数和(自身を除く): 64640499

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 48857, 146571, 244285, 341999, 635141, 732855, 1025997, 1709995, 1905423, 3175705, 4445987, 5129985, 9527115, 13337961, 22229935, 66689805]

約数ペア:

[(1, 66689805), (3, 22229935), (5, 13337961), (7, 9527115), (13, 5129985), (15, 4445987), (21, 3175705), (35, 1905423), (39, 1709995), (65, 1025997), (91, 732855), (105, 635141), (195, 341999), (273, 244285), (455, 146571), (1365, 48857)]