1640873325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{240421}}^1$

素因数の和:240454

約数の個数: 48

約数和(自身を含む): 3338980736

約数和(自身を除く): 1698107411

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 175, 195, 273, 325, 455, 525, 975, 1365, 2275, 6825, 240421, 721263, 1202105, 1682947, 3125473, 3606315, 5048841, 6010525, 8414735, 9376419, 15627365, 18031575, 21878311, 25244205, 42073675, 46882095, 65634933, 78136825, 109391555, 126221025, 234410475, 328174665, 546957775, 1640873325]

約数ペア:

[(1, 1640873325), (3, 546957775), (5, 328174665), (7, 234410475), (13, 126221025), (15, 109391555), (21, 78136825), (25, 65634933), (35, 46882095), (39, 42073675), (65, 25244205), (75, 21878311), (91, 18031575), (105, 15627365), (175, 9376419), (195, 8414735), (273, 6010525), (325, 5048841), (455, 3606315), (525, 3125473), (975, 1682947), (1365, 1202105), (2275, 721263), (6825, 240421)]